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Validate string parameter

Source: R/checks.R
validate_string.Rd

Validate string parameter

Usage

validate_string(
  x,
  null_allowed = FALSE,
  call = rlang::caller_env(),
  arg = rlang::caller_arg(x)
)

Arguments

x

Value to validate

null_allowed

Whether NULL is an acceptable value (default FALSE)

call

Calling environment for error messages

arg

Argument name for error messages