match_cond: Check and Evaluate Match Condition

In matchr: Pattern Matching and Enumerated Types in R

Description

Called by Match the check whether a condition matches. Used to create custom methods for matching.

Usage

match_cond(cond, x, do, ...)

Arguments

cond	match condition
x	object being matched
do	return expression associated with the condition. If cond is matched with x, then do should be evaluated and returned in a list with TRUE: list(TRUE, eval(do)).
...	arguments passed to evaluation

Details

See the Match details for explanations about provided methods.

Value

FALSE if no match, or a list containing TRUE and the evaluated expression

matchr documentation built on Sept. 9, 2021, 5:07 p.m.