bi ( x p q -- ) (original) (raw)

Vocabulary
kernel

Inputs

x	an object
p	a quotation with stack effect ( ..a x -- ..b )
q	a quotation with stack effect ( ..c x -- ..d )

Outputs
None

Word description
Applies p to x, then applies q to x.

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

[ p ] [ q ] bi dup p q

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

[ p ] [ q ] bi dup p swap q

In general, the following two lines are equivalent:

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