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=== tests/cases/conformance/types/typeRelationships/subtypesAndSuperTypes/subtypingWithCallSignaturesWithOptionalParameters.ts ===
// call signatures in derived types must have the same or fewer optional parameters as the base type
interface Base {
>Base : Symbol(Base, Decl(subtypingWithCallSignaturesWithOptionalParameters.ts, 0, 0))
a: () => number;
>a : Symbol(Base.a, Decl(subtypingWithCallSignaturesWithOptionalParameters.ts, 2, 16))
a2: (x?: number) => number;
>a2 : Symbol(Base.a2, Decl(subtypingWithCallSignaturesWithOptionalParameters.ts, 3, 20))
>x : Symbol(x, Decl(subtypingWithCallSignaturesWithOptionalParameters.ts, 4, 9))
a3: (x: number) => number;
>a3 : Symbol(Base.a3, Decl(subtypingWithCallSignaturesWithOptionalParameters.ts, 4, 31))
>x : Symbol(x, Decl(subtypingWithCallSignaturesWithOptionalParameters.ts, 5, 9))
a4: (x: number, y?: number) => number;
>a4 : Symbol(Base.a4, Decl(subtypingWithCallSignaturesWithOptionalParameters.ts, 5, 30))
>x : Symbol(x, Decl(subtypingWithCallSignaturesWithOptionalParameters.ts, 6, 9))
>y : Symbol(y, Decl(subtypingWithCallSignaturesWithOptionalParameters.ts, 6, 19))
a5: (x?: number, y?: number) => number;
>a5 : Symbol(Base.a5, Decl(subtypingWithCallSignaturesWithOptionalParameters.ts, 6, 42))
>x : Symbol(x, Decl(subtypingWithCallSignaturesWithOptionalParameters.ts, 7, 9))
>y : Symbol(y, Decl(subtypingWithCallSignaturesWithOptionalParameters.ts, 7, 20))
}
interface I1 extends Base {
>I1 : Symbol(I1, Decl(subtypingWithCallSignaturesWithOptionalParameters.ts, 8, 1))
>Base : Symbol(Base, Decl(subtypingWithCallSignaturesWithOptionalParameters.ts, 0, 0))
a: () => number; // ok, same number of required params
>a : Symbol(I1.a, Decl(subtypingWithCallSignaturesWithOptionalParameters.ts, 10, 27))
}
interface I2 extends Base {
>I2 : Symbol(I2, Decl(subtypingWithCallSignaturesWithOptionalParameters.ts, 12, 1))
>Base : Symbol(Base, Decl(subtypingWithCallSignaturesWithOptionalParameters.ts, 0, 0))
a: (x?: number) => number; // ok, same number of required params
>a : Symbol(I2.a, Decl(subtypingWithCallSignaturesWithOptionalParameters.ts, 14, 27))
>x : Symbol(x, Decl(subtypingWithCallSignaturesWithOptionalParameters.ts, 15, 8))
}
interface I3 extends Base {
>I3 : Symbol(I3, Decl(subtypingWithCallSignaturesWithOptionalParameters.ts, 16, 1))
>Base : Symbol(Base, Decl(subtypingWithCallSignaturesWithOptionalParameters.ts, 0, 0))
a: (x: number) => number; // error, too many required params
>a : Symbol(I3.a, Decl(subtypingWithCallSignaturesWithOptionalParameters.ts, 18, 27))
>x : Symbol(x, Decl(subtypingWithCallSignaturesWithOptionalParameters.ts, 19, 8))
}
interface I4 extends Base {
>I4 : Symbol(I4, Decl(subtypingWithCallSignaturesWithOptionalParameters.ts, 20, 1))
>Base : Symbol(Base, Decl(subtypingWithCallSignaturesWithOptionalParameters.ts, 0, 0))
a2: () => number; // ok, same number of required params
>a2 : Symbol(I4.a2, Decl(subtypingWithCallSignaturesWithOptionalParameters.ts, 23, 27))
}
interface I5 extends Base {
>I5 : Symbol(I5, Decl(subtypingWithCallSignaturesWithOptionalParameters.ts, 25, 1))
>Base : Symbol(Base, Decl(subtypingWithCallSignaturesWithOptionalParameters.ts, 0, 0))
a2: (x?: number) => number; // ok, same number of required params
>a2 : Symbol(I5.a2, Decl(subtypingWithCallSignaturesWithOptionalParameters.ts, 27, 27))
>x : Symbol(x, Decl(subtypingWithCallSignaturesWithOptionalParameters.ts, 28, 9))
}
interface I6 extends Base {
>I6 : Symbol(I6, Decl(subtypingWithCallSignaturesWithOptionalParameters.ts, 29, 1))
>Base : Symbol(Base, Decl(subtypingWithCallSignaturesWithOptionalParameters.ts, 0, 0))
a2: (x: number) => number; // ok, same number of params
>a2 : Symbol(I6.a2, Decl(subtypingWithCallSignaturesWithOptionalParameters.ts, 31, 27))
>x : Symbol(x, Decl(subtypingWithCallSignaturesWithOptionalParameters.ts, 32, 9))
}
interface I7 extends Base {
>I7 : Symbol(I7, Decl(subtypingWithCallSignaturesWithOptionalParameters.ts, 33, 1))
>Base : Symbol(Base, Decl(subtypingWithCallSignaturesWithOptionalParameters.ts, 0, 0))
a3: () => number; // ok, fewer required params
>a3 : Symbol(I7.a3, Decl(subtypingWithCallSignaturesWithOptionalParameters.ts, 36, 27))
}
interface I8 extends Base {
>I8 : Symbol(I8, Decl(subtypingWithCallSignaturesWithOptionalParameters.ts, 38, 1))
>Base : Symbol(Base, Decl(subtypingWithCallSignaturesWithOptionalParameters.ts, 0, 0))
a3: (x?: number) => number; // ok, fewer required params
>a3 : Symbol(I8.a3, Decl(subtypingWithCallSignaturesWithOptionalParameters.ts, 40, 27))
>x : Symbol(x, Decl(subtypingWithCallSignaturesWithOptionalParameters.ts, 41, 9))
}
interface I9 extends Base {
>I9 : Symbol(I9, Decl(subtypingWithCallSignaturesWithOptionalParameters.ts, 42, 1))
>Base : Symbol(Base, Decl(subtypingWithCallSignaturesWithOptionalParameters.ts, 0, 0))
a3: (x: number) => number; // ok, same number of required params
>a3 : Symbol(I9.a3, Decl(subtypingWithCallSignaturesWithOptionalParameters.ts, 44, 27))
>x : Symbol(x, Decl(subtypingWithCallSignaturesWithOptionalParameters.ts, 45, 9))
}
interface I10 extends Base {
>I10 : Symbol(I10, Decl(subtypingWithCallSignaturesWithOptionalParameters.ts, 46, 1))
>Base : Symbol(Base, Decl(subtypingWithCallSignaturesWithOptionalParameters.ts, 0, 0))
a3: (x: number, y: number) => number; // error, too many required params
>a3 : Symbol(I10.a3, Decl(subtypingWithCallSignaturesWithOptionalParameters.ts, 48, 28))
>x : Symbol(x, Decl(subtypingWithCallSignaturesWithOptionalParameters.ts, 49, 9))
>y : Symbol(y, Decl(subtypingWithCallSignaturesWithOptionalParameters.ts, 49, 19))
}
interface I11 extends Base {
>I11 : Symbol(I11, Decl(subtypingWithCallSignaturesWithOptionalParameters.ts, 50, 1))
>Base : Symbol(Base, Decl(subtypingWithCallSignaturesWithOptionalParameters.ts, 0, 0))
a4: () => number; // ok, fewer required params
>a4 : Symbol(I11.a4, Decl(subtypingWithCallSignaturesWithOptionalParameters.ts, 53, 28))
}
interface I12 extends Base {
>I12 : Symbol(I12, Decl(subtypingWithCallSignaturesWithOptionalParameters.ts, 55, 1))
>Base : Symbol(Base, Decl(subtypingWithCallSignaturesWithOptionalParameters.ts, 0, 0))
a4: (x?: number, y?: number) => number; // ok, fewer required params
>a4 : Symbol(I12.a4, Decl(subtypingWithCallSignaturesWithOptionalParameters.ts, 57, 28))
>x : Symbol(x, Decl(subtypingWithCallSignaturesWithOptionalParameters.ts, 58, 9))
>y : Symbol(y, Decl(subtypingWithCallSignaturesWithOptionalParameters.ts, 58, 20))
}
interface I13 extends Base {
>I13 : Symbol(I13, Decl(subtypingWithCallSignaturesWithOptionalParameters.ts, 59, 1))
>Base : Symbol(Base, Decl(subtypingWithCallSignaturesWithOptionalParameters.ts, 0, 0))
a4: (x: number) => number; // ok, same number of required params
>a4 : Symbol(I13.a4, Decl(subtypingWithCallSignaturesWithOptionalParameters.ts, 61, 28))
>x : Symbol(x, Decl(subtypingWithCallSignaturesWithOptionalParameters.ts, 62, 9))
}
interface I14 extends Base {
>I14 : Symbol(I14, Decl(subtypingWithCallSignaturesWithOptionalParameters.ts, 63, 1))
>Base : Symbol(Base, Decl(subtypingWithCallSignaturesWithOptionalParameters.ts, 0, 0))
a4: (x: number, y: number) => number; // ok, same number of params
>a4 : Symbol(I14.a4, Decl(subtypingWithCallSignaturesWithOptionalParameters.ts, 65, 28))
>x : Symbol(x, Decl(subtypingWithCallSignaturesWithOptionalParameters.ts, 66, 9))
>y : Symbol(y, Decl(subtypingWithCallSignaturesWithOptionalParameters.ts, 66, 19))
}
interface I15 extends Base {
>I15 : Symbol(I15, Decl(subtypingWithCallSignaturesWithOptionalParameters.ts, 67, 1))
>Base : Symbol(Base, Decl(subtypingWithCallSignaturesWithOptionalParameters.ts, 0, 0))
a5: () => number; // ok, fewer required params
>a5 : Symbol(I15.a5, Decl(subtypingWithCallSignaturesWithOptionalParameters.ts, 70, 28))
}
interface I16 extends Base {
>I16 : Symbol(I16, Decl(subtypingWithCallSignaturesWithOptionalParameters.ts, 72, 1))
>Base : Symbol(Base, Decl(subtypingWithCallSignaturesWithOptionalParameters.ts, 0, 0))
a5: (x?: number, y?: number) => number; // ok, fewer required params
>a5 : Symbol(I16.a5, Decl(subtypingWithCallSignaturesWithOptionalParameters.ts, 74, 28))
>x : Symbol(x, Decl(subtypingWithCallSignaturesWithOptionalParameters.ts, 75, 9))
>y : Symbol(y, Decl(subtypingWithCallSignaturesWithOptionalParameters.ts, 75, 20))
}
interface I17 extends Base {
>I17 : Symbol(I17, Decl(subtypingWithCallSignaturesWithOptionalParameters.ts, 76, 1))
>Base : Symbol(Base, Decl(subtypingWithCallSignaturesWithOptionalParameters.ts, 0, 0))
a5: (x: number) => number; // ok, all present params match
>a5 : Symbol(I17.a5, Decl(subtypingWithCallSignaturesWithOptionalParameters.ts, 78, 28))
>x : Symbol(x, Decl(subtypingWithCallSignaturesWithOptionalParameters.ts, 79, 9))
}
interface I18 extends Base {
>I18 : Symbol(I18, Decl(subtypingWithCallSignaturesWithOptionalParameters.ts, 80, 1))
>Base : Symbol(Base, Decl(subtypingWithCallSignaturesWithOptionalParameters.ts, 0, 0))
a5: (x: number, y: number) => number; // ok, same number of params
>a5 : Symbol(I18.a5, Decl(subtypingWithCallSignaturesWithOptionalParameters.ts, 82, 28))
>x : Symbol(x, Decl(subtypingWithCallSignaturesWithOptionalParameters.ts, 83, 9))
>y : Symbol(y, Decl(subtypingWithCallSignaturesWithOptionalParameters.ts, 83, 19))
}
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