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getOr

getOr(map, key, or)

Gets the value associated with key from map, returning or if the key doesn't exist or the value is nullable.

ts
getOr(
    new Map([
        ["a", 1],
        ["b", null],
    ]),
    "a",
    0,
); // 1

getOr(
    new Map([
        ["a", 1],
        ["b", null],
    ]),
    "b",
    0,
); // 0

getOr(
    new Map([
        ["a", 1],
        ["b", null],
    ]),
    "c",
    0,
); // 0
ts
pipe(
    new Map([
        ["a", 1],
        ["b", null],
    ]),
    getOr("a", 0),
); // 1

pipe(
    new Map([
        ["a", 1],
        ["b", null],
    ]),
    getOr("b", 0),
); // 0

pipe(
    new Map([
        ["a", 1],
        ["b", null],
    ]),
    getOr("c", 0),
); // 0