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Add Array#includes and improve compatibility of Array#indexOf (#41)

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This commit is contained in:
Igor
2018-03-17 17:02:15 +01:00
committed by Daniel Wirtz
parent 2dfd9aae3a
commit 162096bcd6
7 changed files with 1241 additions and 35 deletions
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32
std/assembly/array.ts
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@ -58,9 +58,34 @@ export class Array<T> {
store<T>(this.__memory + <usize>index * sizeof<T>(), value);
}
indexOf(searchElement: T, fromIndex: i32 = 0): i32 {
includes(searchElement: T, fromIndex: i32 = 0): bool {
if (this.__length == 0 || fromIndex >= this.__length) {
return false;
}
if (fromIndex < 0) {
fromIndex = this.__length + fromIndex;
if (fromIndex < 0) {
fromIndex = 0;
}
}
while (<u32>fromIndex < <u32>this.__length) {
if (load<T>(this.__memory + <usize>fromIndex * sizeof<T>()) == searchElement) {
return true;
}
++fromIndex;
}
return false;
}
indexOf(searchElement: T, fromIndex: i32 = 0): i32 {
if (this.__length == 0 || fromIndex >= this.__length) {
return -1;
}
if (fromIndex < 0) {
fromIndex = this.__length + fromIndex;
if (fromIndex < 0) {
fromIndex = 0;
}
}
while (<u32>fromIndex < <u32>this.__length) {
if (load<T>(this.__memory + <usize>fromIndex * sizeof<T>()) == searchElement) {
@ -71,7 +96,10 @@ export class Array<T> {
return -1;
}
lastIndexOf(searchElement: T, fromIndex: i32 = 0): i32 {
lastIndexOf(searchElement: T, fromIndex: i32 = this.__length): i32 {
if (this.__length == 0) {
return -1;
}
if (fromIndex < 0) {
fromIndex = this.__length + fromIndex;
} else if (fromIndex >= this.__length) {