chain<-find_all

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chain<-find_all

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chain <-find_all: test=code -> chain

Returns a new chain holding all elements for which the execution of code succeeds. Arguments:

@arg1 Element tested

@arg2 1-based index of element

The following example finds all inverted graphicals on the graphical device Dev:

?- get(Dev?graphicals, find_all,
           @arg1?inverted == @on, Inverted).

See also chain->for_all.

See also: - chain->for_all
- chain<-find