2bi ( x y p q -- )

Factor handbook » The language » Combinators » Dataflow combinators » Cleave combinators

Factor handbook » The language » Combinators » Dataflow combinators » Cleave combinators

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Vocabulary

kernel

Inputs

Outputs

None

Word description

Applies p to the two input values, then applies q to the two input values.

Examples

If [ p ] and [ q ] have stack effect ( x y -- ), then the following two lines are equivalent:

If [ p ] and [ q ] have stack effect ( x y -- z ), then the following two lines are equivalent:

In general, the following two lines are equivalent:

Definition

kernel

Inputs

x | an object |

y | an object |

p | a quotation with stack effect ( x y -- ... ) |

q | a quotation with stack effect ( x y -- ... ) |

Outputs

None

Word description

Applies p to the two input values, then applies q to the two input values.

Examples

If [ p ] and [ q ] have stack effect ( x y -- ), then the following two lines are equivalent:

[ p ] [ q ] 2bi
2dup p q

If [ p ] and [ q ] have stack effect ( x y -- z ), then the following two lines are equivalent:

[ p ] [ q ] 2bi
2dup p -rot q

In general, the following two lines are equivalent:

[ p ] [ q ] 2bi
[ p ] 2keep q

Definition

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Factor 0.99 x86.64 (2203, heads/master-424edf64aa, Mar 8 2023 13:48:50)