memoise (version 1.0.0)

has_cache: Test whether a memoised function has been cached for particular arguments.

Description

Test whether a memoised function has been cached for particular arguments.

Usage

has_cache(f, ...)

Arguments

f

Function to test.

...

arguments to function.

See Also

is.memoised, memoise

Examples

mem_sum <- memoise(sum)
has_cache(mem_sum)(1, 2, 3) # FALSE
mem_sum(1, 2, 3)
has_cache(mem_sum)(1, 2, 3) # TRUE