do ( pred body -- pred body )
Factor handbook » The language » Combinators » Looping combinators

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Vocabulary
kernel

Inputs

pred	a quotation with stack effect ( ..a -- ..b ? )
body	a quotation with stack effect ( ..b -- ..a )

Outputs

pred	a quotation with stack effect ( ..a -- ..b ? )
body	a quotation with stack effect ( ..b -- ..a )

Word description
Executes one iteration of a while or until loop.

Definition

IN: kernel

: do ( pred body -- pred body ) dup 2dip ; inline