A.7 library(check): Consistency checking
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  • Documentation
    • Reference manual
      • The SWI-Prolog library
        • library(check): Consistency checking
          • check/0
          • list_undefined/0
          • list_undefined/1
          • list_autoload/0
          • list_redefined/0
          • list_cross_module_calls/0
          • list_void_declarations/0
          • list_trivial_fails/0
          • list_trivial_fails/1
          • trivial_fail_goal/1
          • list_strings/0
          • list_strings/1
          • list_rationals/0
          • list_rationals/1
          • list_format_errors/0
          • list_format_errors/1
          • string_predicate/1
          • valid_string_goal/1
          • checker/2
    • Packages
Availability::- use_module(library(check)).(can be autoloaded)
Source[det]list_strings
[det]list_strings(+Options)
List strings that appear in clauses. This predicate is used to find portability issues for changing the Prolog flag double_quotes from codes to string, creating packed string objects. Warnings may be suppressed using the following multifile hooks:

  • string_predicate/1 to stop checking certain predicates
  • valid_string_goal/1 to tell the checker that a goal is safe.
See also
Prolog flag double_quotes.