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Assert count or Inf

Source: R/pal.gen.R
assert_inf_count.Rd

Asserts that x is either a count or positive infinity (Inf).

Usage

assert_inf_count(x, ...)

Arguments

x

Object to check.

...

Further arguments passed on to checkmate::assert_count().

Value

x, invisibly.

See also

Other functions extending the checkmate package: assert_class_any(), assert_cli(), assert_df_or_tibble(), assert_mime_type(), assert_pkg()

Examples

pal::assert_inf_count(1001L)
pal::assert_inf_count(1)
pal::assert_inf_count(0.0)
pal::assert_inf_count(Inf)

try(
  pal::assert_inf_count(-1)
)
#> Error in pal::assert_inf_count(-1) : 
#>   Assertion on 'x' failed: Must be >= 0.
try(
  pal::assert_inf_count(1.5)
)
#> Error in pal::assert_inf_count(1.5) : 
#>   Assertion on 'x' failed: Must be of type 'count', not 'double'.
try(
  pal::assert_inf_count(-Inf)
)
#> Error in pal::assert_inf_count(-Inf) : 
#>   `x` must either be a single integerish value or positive infinity (`Inf`).