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tests/cases/compiler/numberVsBigIntOperations.ts(3,14): error TS2322: Type 'number' is not assignable to type 'bigint'.
tests/cases/compiler/numberVsBigIntOperations.ts(3,26): error TS2322: Type 'bigint' is not assignable to type 'number'.
tests/cases/compiler/numberVsBigIntOperations.ts(4,15): error TS2365: Operator '+=' cannot be applied to types 'bigint' and '2'.
tests/cases/compiler/numberVsBigIntOperations.ts(4,28): error TS2365: Operator '+=' cannot be applied to types 'number' and '1n'.
tests/cases/compiler/numberVsBigIntOperations.ts(5,15): error TS2365: Operator '-=' cannot be applied to types 'bigint' and 'number'.
tests/cases/compiler/numberVsBigIntOperations.ts(5,28): error TS2365: Operator '-=' cannot be applied to types 'number' and 'bigint'.
tests/cases/compiler/numberVsBigIntOperations.ts(6,15): error TS2365: Operator '*=' cannot be applied to types 'bigint' and 'number'.
tests/cases/compiler/numberVsBigIntOperations.ts(6,28): error TS2365: Operator '*=' cannot be applied to types 'number' and 'bigint'.
tests/cases/compiler/numberVsBigIntOperations.ts(7,15): error TS2365: Operator '/=' cannot be applied to types 'bigint' and 'number'.
tests/cases/compiler/numberVsBigIntOperations.ts(7,28): error TS2365: Operator '/=' cannot be applied to types 'number' and 'bigint'.
tests/cases/compiler/numberVsBigIntOperations.ts(8,15): error TS2365: Operator '%=' cannot be applied to types 'bigint' and 'number'.
tests/cases/compiler/numberVsBigIntOperations.ts(8,28): error TS2365: Operator '%=' cannot be applied to types 'number' and 'bigint'.
tests/cases/compiler/numberVsBigIntOperations.ts(9,16): error TS2365: Operator '**=' cannot be applied to types 'bigint' and 'number'.
tests/cases/compiler/numberVsBigIntOperations.ts(9,30): error TS2365: Operator '**=' cannot be applied to types 'number' and 'bigint'.
tests/cases/compiler/numberVsBigIntOperations.ts(10,16): error TS2365: Operator '<<=' cannot be applied to types 'bigint' and 'number'.
tests/cases/compiler/numberVsBigIntOperations.ts(10,30): error TS2365: Operator '<<=' cannot be applied to types 'number' and 'bigint'.
tests/cases/compiler/numberVsBigIntOperations.ts(11,16): error TS2365: Operator '>>=' cannot be applied to types 'bigint' and 'number'.
tests/cases/compiler/numberVsBigIntOperations.ts(11,30): error TS2365: Operator '>>=' cannot be applied to types 'number' and 'bigint'.
tests/cases/compiler/numberVsBigIntOperations.ts(12,15): error TS2365: Operator '&=' cannot be applied to types 'bigint' and 'number'.
tests/cases/compiler/numberVsBigIntOperations.ts(12,28): error TS2365: Operator '&=' cannot be applied to types 'number' and 'bigint'.
tests/cases/compiler/numberVsBigIntOperations.ts(13,15): error TS2365: Operator '^=' cannot be applied to types 'bigint' and 'number'.
tests/cases/compiler/numberVsBigIntOperations.ts(13,28): error TS2365: Operator '^=' cannot be applied to types 'number' and 'bigint'.
tests/cases/compiler/numberVsBigIntOperations.ts(14,15): error TS2365: Operator '|=' cannot be applied to types 'bigint' and 'number'.
tests/cases/compiler/numberVsBigIntOperations.ts(14,28): error TS2365: Operator '|=' cannot be applied to types 'number' and 'bigint'.
tests/cases/compiler/numberVsBigIntOperations.ts(15,32): error TS2365: Operator '+' cannot be applied to types '1' and '2n'.
tests/cases/compiler/numberVsBigIntOperations.ts(15,40): error TS2365: Operator '+' cannot be applied to types '1n' and '2'.
tests/cases/compiler/numberVsBigIntOperations.ts(16,32): error TS2365: Operator '-' cannot be applied to types 'number' and 'bigint'.
tests/cases/compiler/numberVsBigIntOperations.ts(16,40): error TS2365: Operator '-' cannot be applied to types 'bigint' and 'number'.
tests/cases/compiler/numberVsBigIntOperations.ts(17,32): error TS2365: Operator '*' cannot be applied to types 'number' and 'bigint'.
tests/cases/compiler/numberVsBigIntOperations.ts(17,40): error TS2365: Operator '*' cannot be applied to types 'bigint' and 'number'.
tests/cases/compiler/numberVsBigIntOperations.ts(18,32): error TS2365: Operator '/' cannot be applied to types 'number' and 'bigint'.
tests/cases/compiler/numberVsBigIntOperations.ts(18,40): error TS2365: Operator '/' cannot be applied to types 'bigint' and 'number'.
tests/cases/compiler/numberVsBigIntOperations.ts(19,32): error TS2365: Operator '%' cannot be applied to types 'number' and 'bigint'.
tests/cases/compiler/numberVsBigIntOperations.ts(19,40): error TS2365: Operator '%' cannot be applied to types 'bigint' and 'number'.
tests/cases/compiler/numberVsBigIntOperations.ts(20,34): error TS2365: Operator '**' cannot be applied to types 'number' and 'bigint'.
tests/cases/compiler/numberVsBigIntOperations.ts(20,43): error TS2365: Operator '**' cannot be applied to types 'bigint' and 'number'.
tests/cases/compiler/numberVsBigIntOperations.ts(21,32): error TS2365: Operator '&' cannot be applied to types 'number' and 'bigint'.
tests/cases/compiler/numberVsBigIntOperations.ts(21,40): error TS2365: Operator '&' cannot be applied to types 'bigint' and 'number'.
tests/cases/compiler/numberVsBigIntOperations.ts(22,32): error TS2365: Operator '|' cannot be applied to types 'number' and 'bigint'.
tests/cases/compiler/numberVsBigIntOperations.ts(22,40): error TS2365: Operator '|' cannot be applied to types 'bigint' and 'number'.
tests/cases/compiler/numberVsBigIntOperations.ts(23,32): error TS2365: Operator '^' cannot be applied to types 'number' and 'bigint'.
tests/cases/compiler/numberVsBigIntOperations.ts(23,40): error TS2365: Operator '^' cannot be applied to types 'bigint' and 'number'.
tests/cases/compiler/numberVsBigIntOperations.ts(24,34): error TS2365: Operator '<<' cannot be applied to types 'number' and 'bigint'.
tests/cases/compiler/numberVsBigIntOperations.ts(24,43): error TS2365: Operator '<<' cannot be applied to types 'bigint' and 'number'.
tests/cases/compiler/numberVsBigIntOperations.ts(25,34): error TS2365: Operator '>>' cannot be applied to types 'number' and 'bigint'.
tests/cases/compiler/numberVsBigIntOperations.ts(25,43): error TS2365: Operator '>>' cannot be applied to types 'bigint' and 'number'.
tests/cases/compiler/numberVsBigIntOperations.ts(38,1): error TS2365: Operator '>>>=' cannot be applied to types 'bigint' and '1n'.
tests/cases/compiler/numberVsBigIntOperations.ts(39,10): error TS2365: Operator '>>>' cannot be applied to types 'bigint' and '1n'.
tests/cases/compiler/numberVsBigIntOperations.ts(40,8): error TS2736: Operator '+' cannot be applied to type 'bigint'.
tests/cases/compiler/numberVsBigIntOperations.ts(50,10): error TS2367: This condition will always return 'false' since the types 'bigint' and 'number' have no overlap.
tests/cases/compiler/numberVsBigIntOperations.ts(51,10): error TS2367: This condition will always return 'true' since the types 'bigint' and 'number' have no overlap.
tests/cases/compiler/numberVsBigIntOperations.ts(52,10): error TS2367: This condition will always return 'false' since the types 'bigint' and 'number' have no overlap.
tests/cases/compiler/numberVsBigIntOperations.ts(53,10): error TS2367: This condition will always return 'true' since the types 'bigint' and 'number' have no overlap.
tests/cases/compiler/numberVsBigIntOperations.ts(56,7): error TS2362: The left-hand side of an arithmetic operation must be of type 'any', 'number', 'bigint' or an enum type.
tests/cases/compiler/numberVsBigIntOperations.ts(56,27): error TS2363: The right-hand side of an arithmetic operation must be of type 'any', 'number', 'bigint' or an enum type.
tests/cases/compiler/numberVsBigIntOperations.ts(57,1): error TS2362: The left-hand side of an arithmetic operation must be of type 'any', 'number', 'bigint' or an enum type.
tests/cases/compiler/numberVsBigIntOperations.ts(57,1): error TS2365: Operator '&' cannot be applied to types 'string' and 'bigint'.
tests/cases/compiler/numberVsBigIntOperations.ts(57,11): error TS2365: Operator '**' cannot be applied to types 'bigint' and 'boolean'.
tests/cases/compiler/numberVsBigIntOperations.ts(57,17): error TS2363: The right-hand side of an arithmetic operation must be of type 'any', 'number', 'bigint' or an enum type.
tests/cases/compiler/numberVsBigIntOperations.ts(60,1): error TS2365: Operator '+' cannot be applied to types 'number | bigint' and 'number | bigint'.
tests/cases/compiler/numberVsBigIntOperations.ts(61,1): error TS2365: Operator '<<' cannot be applied to types 'number | bigint' and 'number | bigint'.
tests/cases/compiler/numberVsBigIntOperations.ts(70,2): error TS2736: Operator '+' cannot be applied to type 'number | bigint'.
tests/cases/compiler/numberVsBigIntOperations.ts(86,7): error TS1155: 'const' declarations must be initialized.
tests/cases/compiler/numberVsBigIntOperations.ts(93,7): error TS1155: 'const' declarations must be initialized.
tests/cases/compiler/numberVsBigIntOperations.ts(98,6): error TS2736: Operator '+' cannot be applied to type 'S'.
tests/cases/compiler/numberVsBigIntOperations.ts(99,5): error TS2365: Operator '+' cannot be applied to types 'number' and 'S'.
==== tests/cases/compiler/numberVsBigIntOperations.ts (66 errors) ====
// Cannot mix bigints and numbers
let bigInt = 1n, num = 2;
bigInt = 1n; bigInt = 2; num = 1n; num = 2;
~~~~~~
!!! error TS2322: Type 'number' is not assignable to type 'bigint'.
~~~
!!! error TS2322: Type 'bigint' is not assignable to type 'number'.
bigInt += 1n; bigInt += 2; num += 1n; num += 2;
~~~~~~~~~~~
!!! error TS2365: Operator '+=' cannot be applied to types 'bigint' and '2'.
~~~~~~~~~
!!! error TS2365: Operator '+=' cannot be applied to types 'number' and '1n'.
bigInt -= 1n; bigInt -= 2; num -= 1n; num -= 2;
~~~~~~~~~~~
!!! error TS2365: Operator '-=' cannot be applied to types 'bigint' and 'number'.
~~~~~~~~~
!!! error TS2365: Operator '-=' cannot be applied to types 'number' and 'bigint'.
bigInt *= 1n; bigInt *= 2; num *= 1n; num *= 2;
~~~~~~~~~~~
!!! error TS2365: Operator '*=' cannot be applied to types 'bigint' and 'number'.
~~~~~~~~~
!!! error TS2365: Operator '*=' cannot be applied to types 'number' and 'bigint'.
bigInt /= 1n; bigInt /= 2; num /= 1n; num /= 2;
~~~~~~~~~~~
!!! error TS2365: Operator '/=' cannot be applied to types 'bigint' and 'number'.
~~~~~~~~~
!!! error TS2365: Operator '/=' cannot be applied to types 'number' and 'bigint'.
bigInt %= 1n; bigInt %= 2; num %= 1n; num %= 2;
~~~~~~~~~~~
!!! error TS2365: Operator '%=' cannot be applied to types 'bigint' and 'number'.
~~~~~~~~~
!!! error TS2365: Operator '%=' cannot be applied to types 'number' and 'bigint'.
bigInt **= 1n; bigInt **= 2; num **= 1n; num **= 2;
~~~~~~~~~~~~
!!! error TS2365: Operator '**=' cannot be applied to types 'bigint' and 'number'.
~~~~~~~~~~
!!! error TS2365: Operator '**=' cannot be applied to types 'number' and 'bigint'.
bigInt <<= 1n; bigInt <<= 2; num <<= 1n; num <<= 2;
~~~~~~~~~~~~
!!! error TS2365: Operator '<<=' cannot be applied to types 'bigint' and 'number'.
~~~~~~~~~~
!!! error TS2365: Operator '<<=' cannot be applied to types 'number' and 'bigint'.
bigInt >>= 1n; bigInt >>= 2; num >>= 1n; num >>= 2;
~~~~~~~~~~~~
!!! error TS2365: Operator '>>=' cannot be applied to types 'bigint' and 'number'.
~~~~~~~~~~
!!! error TS2365: Operator '>>=' cannot be applied to types 'number' and 'bigint'.
bigInt &= 1n; bigInt &= 2; num &= 1n; num &= 2;
~~~~~~~~~~~
!!! error TS2365: Operator '&=' cannot be applied to types 'bigint' and 'number'.
~~~~~~~~~
!!! error TS2365: Operator '&=' cannot be applied to types 'number' and 'bigint'.
bigInt ^= 1n; bigInt ^= 2; num ^= 1n; num ^= 2;
~~~~~~~~~~~
!!! error TS2365: Operator '^=' cannot be applied to types 'bigint' and 'number'.
~~~~~~~~~
!!! error TS2365: Operator '^=' cannot be applied to types 'number' and 'bigint'.
bigInt |= 1n; bigInt |= 2; num |= 1n; num |= 2;
~~~~~~~~~~~
!!! error TS2365: Operator '|=' cannot be applied to types 'bigint' and 'number'.
~~~~~~~~~
!!! error TS2365: Operator '|=' cannot be applied to types 'number' and 'bigint'.
bigInt = 1n + 2n; num = 1 + 2; 1 + 2n; 1n + 2;
~~~~~~
!!! error TS2365: Operator '+' cannot be applied to types '1' and '2n'.
~~~~~~
!!! error TS2365: Operator '+' cannot be applied to types '1n' and '2'.
bigInt = 1n - 2n; num = 1 - 2; 1 - 2n; 1n - 2;
~~~~~~
!!! error TS2365: Operator '-' cannot be applied to types 'number' and 'bigint'.
~~~~~~
!!! error TS2365: Operator '-' cannot be applied to types 'bigint' and 'number'.
bigInt = 1n * 2n; num = 1 * 2; 1 * 2n; 1n * 2;
~~~~~~
!!! error TS2365: Operator '*' cannot be applied to types 'number' and 'bigint'.
~~~~~~
!!! error TS2365: Operator '*' cannot be applied to types 'bigint' and 'number'.
bigInt = 1n / 2n; num = 1 / 2; 1 / 2n; 1n / 2;
~~~~~~
!!! error TS2365: Operator '/' cannot be applied to types 'number' and 'bigint'.
~~~~~~
!!! error TS2365: Operator '/' cannot be applied to types 'bigint' and 'number'.
bigInt = 1n % 2n; num = 1 % 2; 1 % 2n; 1n % 2;
~~~~~~
!!! error TS2365: Operator '%' cannot be applied to types 'number' and 'bigint'.
~~~~~~
!!! error TS2365: Operator '%' cannot be applied to types 'bigint' and 'number'.
bigInt = 1n ** 2n; num = 1 ** 2; 1 ** 2n; 1n ** 2;
~~~~~~~
!!! error TS2365: Operator '**' cannot be applied to types 'number' and 'bigint'.
~~~~~~~
!!! error TS2365: Operator '**' cannot be applied to types 'bigint' and 'number'.
bigInt = 1n & 2n; num = 1 & 2; 1 & 2n; 1n & 2;
~~~~~~
!!! error TS2365: Operator '&' cannot be applied to types 'number' and 'bigint'.
~~~~~~
!!! error TS2365: Operator '&' cannot be applied to types 'bigint' and 'number'.
bigInt = 1n | 2n; num = 1 | 2; 1 | 2n; 1n | 2;
~~~~~~
!!! error TS2365: Operator '|' cannot be applied to types 'number' and 'bigint'.
~~~~~~
!!! error TS2365: Operator '|' cannot be applied to types 'bigint' and 'number'.
bigInt = 1n ^ 2n; num = 1 ^ 2; 1 ^ 2n; 1n ^ 2;
~~~~~~
!!! error TS2365: Operator '^' cannot be applied to types 'number' and 'bigint'.
~~~~~~
!!! error TS2365: Operator '^' cannot be applied to types 'bigint' and 'number'.
bigInt = 1n << 2n; num = 1 << 2; 1 << 2n; 1n << 2;
~~~~~~~
!!! error TS2365: Operator '<<' cannot be applied to types 'number' and 'bigint'.
~~~~~~~
!!! error TS2365: Operator '<<' cannot be applied to types 'bigint' and 'number'.
bigInt = 1n >> 2n; num = 1 >> 2; 1 >> 2n; 1n >> 2;
~~~~~~~
!!! error TS2365: Operator '>>' cannot be applied to types 'number' and 'bigint'.
~~~~~~~
!!! error TS2365: Operator '>>' cannot be applied to types 'bigint' and 'number'.
// Plus should still coerce to strings
let str: string;
str = "abc" + 123; str = "abc" + 123n; str = 123 + "abc"; str = 123n + "abc";
// Unary operations allowed on bigints and numbers
bigInt = bigInt++; bigInt = ++bigInt; num = num++; num = ++num;
bigInt = bigInt--; bigInt = --bigInt; num = num--; num = --num;
bigInt = -bigInt; num = -num;
bigInt = ~bigInt; num = ~num;
// Number-only operations
bigInt >>>= 1n; num >>>= 2;
~~~~~~~~~~~~~~
!!! error TS2365: Operator '>>>=' cannot be applied to types 'bigint' and '1n'.
bigInt = bigInt >>> 1n; num = num >>> 2;
~~~~~~~~~~~~~
!!! error TS2365: Operator '>>>' cannot be applied to types 'bigint' and '1n'.
num = +bigInt; num = +num; num = +"3";
~~~~~~
!!! error TS2736: Operator '+' cannot be applied to type 'bigint'.
// Comparisons can be mixed
let result: boolean;
result = bigInt > num;
result = bigInt >= num;
result = bigInt < num;
result = bigInt <= num;
// Trying to compare for equality is likely an error (since 1 == "1" is disallowed)
result = bigInt == num;
~~~~~~~~~~~~~
!!! error TS2367: This condition will always return 'false' since the types 'bigint' and 'number' have no overlap.
result = bigInt != num;
~~~~~~~~~~~~~
!!! error TS2367: This condition will always return 'true' since the types 'bigint' and 'number' have no overlap.
result = bigInt === num;
~~~~~~~~~~~~~~
!!! error TS2367: This condition will always return 'false' since the types 'bigint' and 'number' have no overlap.
result = bigInt !== num;
~~~~~~~~~~~~~~
!!! error TS2367: This condition will always return 'true' since the types 'bigint' and 'number' have no overlap.
// Types of arithmetic operations on other types
num = "3" & 5; num = 2 ** false; // should error, but infer number
~~~
!!! error TS2362: The left-hand side of an arithmetic operation must be of type 'any', 'number', 'bigint' or an enum type.
~~~~~
!!! error TS2363: The right-hand side of an arithmetic operation must be of type 'any', 'number', 'bigint' or an enum type.
"3" & 5n; 2n ** false; // should error, result in any
~~~
!!! error TS2362: The left-hand side of an arithmetic operation must be of type 'any', 'number', 'bigint' or an enum type.
~~~~~~~~
!!! error TS2365: Operator '&' cannot be applied to types 'string' and 'bigint'.
~~~~~~~~~~~
!!! error TS2365: Operator '**' cannot be applied to types 'bigint' and 'boolean'.
~~~~~
!!! error TS2363: The right-hand side of an arithmetic operation must be of type 'any', 'number', 'bigint' or an enum type.
num = ~"3"; num = -false; // should infer number
let bigIntOrNumber: bigint | number;
bigIntOrNumber + bigIntOrNumber; // should error, result in any
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
!!! error TS2365: Operator '+' cannot be applied to types 'number | bigint' and 'number | bigint'.
bigIntOrNumber << bigIntOrNumber; // should error, result in any
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
!!! error TS2365: Operator '<<' cannot be applied to types 'number | bigint' and 'number | bigint'.
if (typeof bigIntOrNumber === "bigint") {
// Allowed, as type is narrowed to bigint
bigIntOrNumber = bigIntOrNumber << bigIntOrNumber;
}
if (typeof bigIntOrNumber === "number") {
// Allowed, as type is narrowed to number
bigIntOrNumber = bigIntOrNumber << bigIntOrNumber;
}
+bigIntOrNumber; // should error, result in number
~~~~~~~~~~~~~~
!!! error TS2736: Operator '+' cannot be applied to type 'number | bigint'.
~bigIntOrNumber; // should infer number | bigint
bigIntOrNumber++; // should infer number | bigint
++bigIntOrNumber; // should infer number | bigint
let anyValue: any;
anyValue + anyValue; // should infer any
anyValue >>> anyValue; // should infer number
anyValue ^ anyValue; // should infer number
+anyValue; // should infer number
-anyValue; // should infer number
anyValue--; // should infer number
--anyValue; // should infer number
// Distinguishing numbers from bigints with typeof
const isBigInt: (x: 0n | 1n) => bigint = (x: 0n | 1n) => x;
const isNumber: (x: 0 | 1) => number = (x: 0 | 1) => x;
const zeroOrBigOne: 0 | 1n;
~~~~~~~~~~~~
!!! error TS1155: 'const' declarations must be initialized.
if (typeof zeroOrBigOne === "bigint") isBigInt(zeroOrBigOne);
else isNumber(zeroOrBigOne);
// Distinguishing truthy from falsy
const isOne = (x: 1 | 1n) => x;
if (zeroOrBigOne) isOne(zeroOrBigOne);
const bigZeroOrOne: 0n | 1;
~~~~~~~~~~~~
!!! error TS1155: 'const' declarations must be initialized.
if (bigZeroOrOne) isOne(bigZeroOrOne);
type NumberOrBigint = number | bigint;
function getKey<S extends NumberOrBigint>(key: S) {
+key; // should error
~~~
!!! error TS2736: Operator '+' cannot be applied to type 'S'.
0 + key; // should error
~~~~~~~
!!! error TS2365: Operator '+' cannot be applied to types 'number' and 'S'.
}
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