cond_il: Conditional lens

Description Usage Arguments Details

Description

view is equivalent to Filter(f,d), set replaces elements that satisfy f with elements of x.

Usage

1

Arguments

f

the predicate (logical) function

Details

This lens is illegal because set-view is not satisfied, multiple runs of the same lens will reference potentially different elements.


cfhammill/focal documentation built on May 23, 2019, 6:04 p.m.