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=== tests/cases/compiler/controlFlowArrayErrors.ts ===
declare function cond(): boolean;
>cond : () => boolean
function f1() {
>f1 : () => void
let x = []; // Implicit any[] error in some locations
>x : any[]
>[] : undefined[]
let y = x; // Implicit any[] error
>y : any[]
>x : any[]
x.push(5);
>x.push(5) : number
>x.push : (...items: any[]) => number
>x : any[]
>push : (...items: any[]) => number
>5 : 5
let z = x;
>z : number[]
>x : number[]
}
function f2() {
>f2 : () => void
let x; // Implicit any[] error in some locations
>x : any
x = [];
>x = [] : undefined[]
>x : any
>[] : undefined[]
let y = x; // Implicit any[] error
>y : any[]
>x : any[]
x.push(5);
>x.push(5) : number
>x.push : (...items: any[]) => number
>x : any[]
>push : (...items: any[]) => number
>5 : 5
let z = x;
>z : number[]
>x : number[]
}
function f3() {
>f3 : () => void
let x = []; // Implicit any[] error in some locations
>x : any[]
>[] : undefined[]
x.push(5);
>x.push(5) : number
>x.push : (...items: any[]) => number
>x : any[]
>push : (...items: any[]) => number
>5 : 5
function g() {
>g : () => void
x; // Implicit any[] error
>x : any[]
}
}
function f4() {
>f4 : () => void
let x;
>x : any
x = [5, "hello"]; // Non-evolving array
>x = [5, "hello"] : (string | number)[]
>x : any
>[5, "hello"] : (string | number)[]
>5 : 5
>"hello" : "hello"
x.push(true); // Error
>x.push(true) : number
>x.push : (...items: (string | number)[]) => number
>x : (string | number)[]
>push : (...items: (string | number)[]) => number
>true : true
}
function f5() {
>f5 : () => void
let x = [5, "hello"]; // Non-evolving array
>x : (string | number)[]
>[5, "hello"] : (string | number)[]
>5 : 5
>"hello" : "hello"
x.push(true); // Error
>x.push(true) : number
>x.push : (...items: (string | number)[]) => number
>x : (string | number)[]
>push : (...items: (string | number)[]) => number
>true : true
}
function f6() {
>f6 : () => void
let x;
>x : any
if (cond()) {
>cond() : boolean
>cond : () => boolean
x = [];
>x = [] : undefined[]
>x : any
>[] : undefined[]
x.push(5);
>x.push(5) : number
>x.push : (...items: any[]) => number
>x : any[]
>push : (...items: any[]) => number
>5 : 5
x.push("hello");
>x.push("hello") : number
>x.push : (...items: any[]) => number
>x : any[]
>push : (...items: any[]) => number
>"hello" : "hello"
}
else {
x = [true]; // Non-evolving array
>x = [true] : boolean[]
>x : any
>[true] : boolean[]
>true : true
}
x; // boolean[] | (string | number)[]
>x : (string | number)[] | boolean[]
x.push(99); // Error
>x.push(99) : any
>x.push : ((...items: (string | number)[]) => number) | ((...items: boolean[]) => number)
>x : (string | number)[] | boolean[]
>push : ((...items: (string | number)[]) => number) | ((...items: boolean[]) => number)
>99 : 99
}
function f7() {
>f7 : () => void
let x = []; // x has evolving array value
>x : any[]
>[] : undefined[]
x.push(5);
>x.push(5) : number
>x.push : (...items: any[]) => number
>x : any[]
>push : (...items: any[]) => number
>5 : 5
let y = x; // y has non-evolving array value
>y : number[]
>x : number[]
x.push("hello"); // Ok
>x.push("hello") : number
>x.push : (...items: any[]) => number
>x : any[]
>push : (...items: any[]) => number
>"hello" : "hello"
y.push("hello"); // Error
>y.push("hello") : number
>y.push : (...items: number[]) => number
>y : number[]
>push : (...items: number[]) => number
>"hello" : "hello"
}
function f8() {
>f8 : () => void
const x = []; // Implicit any[] error in some locations
>x : any[]
>[] : undefined[]
x.push(5);
>x.push(5) : number
>x.push : (...items: any[]) => number
>x : any[]
>push : (...items: any[]) => number
>5 : 5
function g() {
>g : () => void
x; // Implicit any[] error
>x : any[]
}
}
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