2tri ( x y p q r -- )

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, and finally applies r to the two input values.

Examples

If [ p ], [ q ] and [ r ] have stack effect ( x y -- ), 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 -- ... ) |

r | 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, and finally applies r to the two input values.

Examples

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

[ p ] [ q ] [ r ] 2tri
2dup p 2dup q r

In general, the following two lines are equivalent:

[ p ] [ q ] [ r ] 2tri
[ p ] 2keep [ q ] 2keep r

Definition

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Factor 0.99 x86.64 (2173, heads/master-f3ee5c5979, Sep 18 2022 13:17:51)