Function pickFirst

pickFirst<T, A, B>(
a: Func<T, A | undefined>,
b: Func<T, B | undefined>,
): Func<T, A | B | undefined>
Returns a mapper that returns the first defined result of a mapper. If all mappers return undefined, then undefined is returned.
Type Parameters
- T
- A
- B
Parameters
- a: Func<T, A | undefined>
- b: Func<T, B | undefined>
Returns Func<T, A | B | undefined>
- Defined in packages/utils/src/mapper.ts:557
pickFirst<T, A, B, C>(
    a: Func<T, A | undefined>,
    b: Func<T, B | undefined>,
    c: Func<T, C | undefined>,
): Func<T, A | B | C | undefined>
Returns a mapper that returns the first defined result of a mapper. If all mappers return undefined, then undefined is returned.
Type Parameters
- T
- A
- B
- C
Parameters
- a: Func<T, A | undefined>
- b: Func<T, B | undefined>
- c: Func<T, C | undefined>
Returns Func<T, A | B | C | undefined>
- Defined in packages/utils/src/mapper.ts:561
pickFirst<T, A, B, C, D>(
    a: Func<T, A | undefined>,
    b: Func<T, B | undefined>,
    c: Func<T, C | undefined>,
    d: Func<T, D | undefined>,
): Func<T, A | B | C | undefined>
Returns a mapper that returns the first defined result of a mapper. If all mappers return undefined, then undefined is returned.
Type Parameters
- T
- A
- B
- C
- D
Parameters
- a: Func<T, A | undefined>
- b: Func<T, B | undefined>
- c: Func<T, C | undefined>
- d: Func<T, D | undefined>
Returns Func<T, A | B | C | undefined>
- Defined in packages/utils/src/mapper.ts:566
pickFirst<T, A, B, C, D, E>(
    a: Func<T, A | undefined>,
    b: Func<T, B | undefined>,
    c: Func<T, C | undefined>,
    d: Func<T, D | undefined>,
    e: Func<T, E | undefined>,
): Func<T, A | B | C | D | E | undefined>
Returns a mapper that returns the first defined result of a mapper. If all mappers return undefined, then undefined is returned.
Type Parameters
- T
- A
- B
- C
- D
- E
Parameters
- a: Func<T, A | undefined>
- b: Func<T, B | undefined>
- c: Func<T, C | undefined>
- d: Func<T, D | undefined>
- e: Func<T, E | undefined>
Returns Func<T, A | B | C | D | E | undefined>
- Defined in packages/utils/src/mapper.ts:572
pickFirst<T, A, B, C, D, E, F>(
    a: Func<T, A | undefined>,
    b: Func<T, B | undefined>,
    c: Func<T, C | undefined>,
    d: Func<T, D | undefined>,
    e: Func<T, E | undefined>,
    f: Func<T, F | undefined>,
): Func<T, A | B | C | D | E | F | undefined>
Returns a mapper that returns the first defined result of a mapper. If all mappers return undefined, then undefined is returned.
Type Parameters
- T
- A
- B
- C
- D
- E
- F
Parameters
- a: Func<T, A | undefined>
- b: Func<T, B | undefined>
- c: Func<T, C | undefined>
- d: Func<T, D | undefined>
- e: Func<T, E | undefined>
- f: Func<T, F | undefined>
Returns Func<T, A | B | C | D | E | F | undefined>
- Defined in packages/utils/src/mapper.ts:579
pickFirst<T, A, B, C, D, E, F, G>(
    a: Func<T, A | undefined>,
    b: Func<T, B | undefined>,
    c: Func<T, C | undefined>,
    d: Func<T, D | undefined>,
    e: Func<T, E | undefined>,
    f: Func<T, F | undefined>,
    g: Func<T, G | undefined>,
): Func<T, A | B | C | D | E | F | G | undefined>
Returns a mapper that returns the first defined result of a mapper. If all mappers return undefined, then undefined is returned.
Type Parameters
- T
- A
- B
- C
- D
- E
- F
- G
Parameters
- a: Func<T, A | undefined>
- b: Func<T, B | undefined>
- c: Func<T, C | undefined>
- d: Func<T, D | undefined>
- e: Func<T, E | undefined>
- f: Func<T, F | undefined>
- g: Func<T, G | undefined>
Returns Func<T, A | B | C | D | E | F | G | undefined>
- Defined in packages/utils/src/mapper.ts:587
pickFirst<T, A, B, C, D, E, F, G, H>(
    a: Func<T, A | undefined>,
    b: Func<T, B | undefined>,
    c: Func<T, C | undefined>,
    d: Func<T, D | undefined>,
    e: Func<T, E | undefined>,
    f: Func<T, F | undefined>,
    g: Func<T, G | undefined>,
    h: Func<T, H | undefined>,
): Func<T, A | B | C | D | E | F | G | H | undefined>
Returns a mapper that returns the first defined result of a mapper. If all mappers return undefined, then undefined is returned.
Type Parameters
- T
- A
- B
- C
- D
- E
- F
- G
- H
Parameters
- a: Func<T, A | undefined>
- b: Func<T, B | undefined>
- c: Func<T, C | undefined>
- d: Func<T, D | undefined>
- e: Func<T, E | undefined>
- f: Func<T, F | undefined>
- g: Func<T, G | undefined>
- h: Func<T, H | undefined>
Returns Func<T, A | B | C | D | E | F | G | H | undefined>
- Defined in packages/utils/src/mapper.ts:596
pickFirst<T, A, B, C, D, E, F, G, H, I>(
    a: Func<T, A | undefined>,
    b: Func<T, B | undefined>,
    c: Func<T, C | undefined>,
    d: Func<T, D | undefined>,
    e: Func<T, E | undefined>,
    f: Func<T, F | undefined>,
    g: Func<T, G | undefined>,
    h: Func<T, H | undefined>,
    i: Func<T, I | undefined>,
): Func<T, A | B | C | D | E | F | G | H | I | undefined>
Returns a mapper that returns the first defined result of a mapper. If all mappers return undefined, then undefined is returned.
Type Parameters
- T
- A
- B
- C
- D
- E
- F
- G
- H
- I
Parameters
- a: Func<T, A | undefined>
- b: Func<T, B | undefined>
- c: Func<T, C | undefined>
- d: Func<T, D | undefined>
- e: Func<T, E | undefined>
- f: Func<T, F | undefined>
- g: Func<T, G | undefined>
- h: Func<T, H | undefined>
- i: Func<T, I | undefined>
Returns Func<T, A | B | C | D | E | F | G | H | I | undefined>
- Defined in packages/utils/src/mapper.ts:606
pickFirst<T, A, B, C, D, E, F, G, H, I, J>(
    a: Func<T, A | undefined>,
    b: Func<T, B | undefined>,
    c: Func<T, C | undefined>,
    d: Func<T, D | undefined>,
    e: Func<T, E | undefined>,
    f: Func<T, F | undefined>,
    g: Func<T, G | undefined>,
    h: Func<T, H | undefined>,
    i: Func<T, I | undefined>,
    j: Func<T, J | undefined>,
): Func<T, A | B | C | D | E | F | G | H | I | J | undefined>
Returns a mapper that returns the first defined result of a mapper. If all mappers return undefined, then undefined is returned.
Type Parameters
- T
- A
- B
- C
- D
- E
- F
- G
- H
- I
- J
Parameters
- a: Func<T, A | undefined>
- b: Func<T, B | undefined>
- c: Func<T, C | undefined>
- d: Func<T, D | undefined>
- e: Func<T, E | undefined>
- f: Func<T, F | undefined>
- g: Func<T, G | undefined>
- h: Func<T, H | undefined>
- i: Func<T, I | undefined>
- j: Func<T, J | undefined>
Returns Func<T, A | B | C | D | E | F | G | H | I | J | undefined>
- Defined in packages/utils/src/mapper.ts:617

Function pickFirst

Type Parameters

Parameters

Returns Func<T, A | B | undefined>

Type Parameters

Parameters

Returns Func<T, A | B | C | undefined>

Type Parameters

Parameters

Returns Func<T, A | B | C | undefined>

Type Parameters

Parameters

Returns Func<T, A | B | C | D | E | undefined>

Type Parameters

Parameters

Returns Func<T, A | B | C | D | E | F | undefined>

Type Parameters

Parameters

Returns Func<T, A | B | C | D | E | F | G | undefined>

Type Parameters

Parameters

Returns Func<T, A | B | C | D | E | F | G | H | undefined>

Type Parameters

Parameters

Returns Func<T, A | B | C | D | E | F | G | H | I | undefined>

Type Parameters

Parameters

Returns Func<T, A | B | C | D | E | F | G | H | I | J | undefined>

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