if()
if(predicate, then_expr, else_expr)
returns then_expr
if predicate
is true
, and else_expr
otherwise.
Returns
If
predicate
is exactlytrue
, we returnthen_expr
.Otherwise, we return
else_expr
.
Examples
# evaluates to "red" if the color is red, "green" otherwise
if(color_is_red, "red", "green")
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