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=== tests/cases/compiler/optionalArgsWithDefaultValues.ts ===
function foo(x: number, y?:boolean=false, z?=0) {}
>foo : Symbol(foo, Decl(optionalArgsWithDefaultValues.ts, 0, 0))
>x : Symbol(x, Decl(optionalArgsWithDefaultValues.ts, 0, 13))
>y : Symbol(y, Decl(optionalArgsWithDefaultValues.ts, 0, 23))
>z : Symbol(z, Decl(optionalArgsWithDefaultValues.ts, 0, 41))
class CCC {
>CCC : Symbol(CCC, Decl(optionalArgsWithDefaultValues.ts, 0, 50))
public foo(x: number, y?:boolean=false, z?=0) {}
>foo : Symbol(CCC.foo, Decl(optionalArgsWithDefaultValues.ts, 2, 11))
>x : Symbol(x, Decl(optionalArgsWithDefaultValues.ts, 3, 15))
>y : Symbol(y, Decl(optionalArgsWithDefaultValues.ts, 3, 25))
>z : Symbol(z, Decl(optionalArgsWithDefaultValues.ts, 3, 43))
static foo2(x: number, y?:boolean=false, z?=0) {}
>foo2 : Symbol(CCC.foo2, Decl(optionalArgsWithDefaultValues.ts, 3, 52))
>x : Symbol(x, Decl(optionalArgsWithDefaultValues.ts, 4, 16))
>y : Symbol(y, Decl(optionalArgsWithDefaultValues.ts, 4, 26))
>z : Symbol(z, Decl(optionalArgsWithDefaultValues.ts, 4, 44))
}
var a = (x?=0) => { return 1; };
>a : Symbol(a, Decl(optionalArgsWithDefaultValues.ts, 7, 3))
>x : Symbol(x, Decl(optionalArgsWithDefaultValues.ts, 7, 9))
var b = (x, y?:number = 2) => { x; };
>b : Symbol(b, Decl(optionalArgsWithDefaultValues.ts, 8, 3))
>x : Symbol(x, Decl(optionalArgsWithDefaultValues.ts, 8, 9))
>y : Symbol(y, Decl(optionalArgsWithDefaultValues.ts, 8, 11))
>x : Symbol(x, Decl(optionalArgsWithDefaultValues.ts, 8, 9))
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