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=== tests/cases/compiler/indexSignatureAndMappedType.ts ===
// A mapped type { [P in K]: X }, where K is a generic type, is related to
// { [key: string]: Y } if X is related to Y.
function f1<T, K extends string>(x: { [key: string]: T }, y: Record<K, T>) {
>f1 : Symbol(f1, Decl(indexSignatureAndMappedType.ts, 0, 0))
>T : Symbol(T, Decl(indexSignatureAndMappedType.ts, 3, 12))
>K : Symbol(K, Decl(indexSignatureAndMappedType.ts, 3, 14))
>x : Symbol(x, Decl(indexSignatureAndMappedType.ts, 3, 33))
>key : Symbol(key, Decl(indexSignatureAndMappedType.ts, 3, 39))
>T : Symbol(T, Decl(indexSignatureAndMappedType.ts, 3, 12))
>y : Symbol(y, Decl(indexSignatureAndMappedType.ts, 3, 57))
>Record : Symbol(Record, Decl(lib.es5.d.ts, --, --))
>K : Symbol(K, Decl(indexSignatureAndMappedType.ts, 3, 14))
>T : Symbol(T, Decl(indexSignatureAndMappedType.ts, 3, 12))
x = y;
>x : Symbol(x, Decl(indexSignatureAndMappedType.ts, 3, 33))
>y : Symbol(y, Decl(indexSignatureAndMappedType.ts, 3, 57))
y = x; // Error
>y : Symbol(y, Decl(indexSignatureAndMappedType.ts, 3, 57))
>x : Symbol(x, Decl(indexSignatureAndMappedType.ts, 3, 33))
}
function f2<T>(x: { [key: string]: T }, y: Record<string, T>) {
>f2 : Symbol(f2, Decl(indexSignatureAndMappedType.ts, 6, 1))
>T : Symbol(T, Decl(indexSignatureAndMappedType.ts, 8, 12))
>x : Symbol(x, Decl(indexSignatureAndMappedType.ts, 8, 15))
>key : Symbol(key, Decl(indexSignatureAndMappedType.ts, 8, 21))
>T : Symbol(T, Decl(indexSignatureAndMappedType.ts, 8, 12))
>y : Symbol(y, Decl(indexSignatureAndMappedType.ts, 8, 39))
>Record : Symbol(Record, Decl(lib.es5.d.ts, --, --))
>T : Symbol(T, Decl(indexSignatureAndMappedType.ts, 8, 12))
x = y;
>x : Symbol(x, Decl(indexSignatureAndMappedType.ts, 8, 15))
>y : Symbol(y, Decl(indexSignatureAndMappedType.ts, 8, 39))
y = x;
>y : Symbol(y, Decl(indexSignatureAndMappedType.ts, 8, 39))
>x : Symbol(x, Decl(indexSignatureAndMappedType.ts, 8, 15))
}
function f3<T, U, K extends string>(x: { [key: string]: T }, y: Record<K, U>) {
>f3 : Symbol(f3, Decl(indexSignatureAndMappedType.ts, 11, 1))
>T : Symbol(T, Decl(indexSignatureAndMappedType.ts, 13, 12))
>U : Symbol(U, Decl(indexSignatureAndMappedType.ts, 13, 14))
>K : Symbol(K, Decl(indexSignatureAndMappedType.ts, 13, 17))
>x : Symbol(x, Decl(indexSignatureAndMappedType.ts, 13, 36))
>key : Symbol(key, Decl(indexSignatureAndMappedType.ts, 13, 42))
>T : Symbol(T, Decl(indexSignatureAndMappedType.ts, 13, 12))
>y : Symbol(y, Decl(indexSignatureAndMappedType.ts, 13, 60))
>Record : Symbol(Record, Decl(lib.es5.d.ts, --, --))
>K : Symbol(K, Decl(indexSignatureAndMappedType.ts, 13, 17))
>U : Symbol(U, Decl(indexSignatureAndMappedType.ts, 13, 14))
x = y; // Error
>x : Symbol(x, Decl(indexSignatureAndMappedType.ts, 13, 36))
>y : Symbol(y, Decl(indexSignatureAndMappedType.ts, 13, 60))
y = x; // Error
>y : Symbol(y, Decl(indexSignatureAndMappedType.ts, 13, 60))
>x : Symbol(x, Decl(indexSignatureAndMappedType.ts, 13, 36))
}
// Repro from #14548
type Dictionary = {
>Dictionary : Symbol(Dictionary, Decl(indexSignatureAndMappedType.ts, 16, 1))
[key: string]: string;
>key : Symbol(key, Decl(indexSignatureAndMappedType.ts, 21, 5))
};
interface IBaseEntity {
>IBaseEntity : Symbol(IBaseEntity, Decl(indexSignatureAndMappedType.ts, 22, 2))
name: string;
>name : Symbol(IBaseEntity.name, Decl(indexSignatureAndMappedType.ts, 24, 23))
properties: Dictionary;
>properties : Symbol(IBaseEntity.properties, Decl(indexSignatureAndMappedType.ts, 25, 17))
>Dictionary : Symbol(Dictionary, Decl(indexSignatureAndMappedType.ts, 16, 1))
}
interface IEntity<T extends string> extends IBaseEntity {
>IEntity : Symbol(IEntity, Decl(indexSignatureAndMappedType.ts, 27, 1))
>T : Symbol(T, Decl(indexSignatureAndMappedType.ts, 29, 18))
>IBaseEntity : Symbol(IBaseEntity, Decl(indexSignatureAndMappedType.ts, 22, 2))
properties: Record<T, string>;
>properties : Symbol(IEntity.properties, Decl(indexSignatureAndMappedType.ts, 29, 57))
>Record : Symbol(Record, Decl(lib.es5.d.ts, --, --))
>T : Symbol(T, Decl(indexSignatureAndMappedType.ts, 29, 18))
}
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