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  • Std/strings

Equivalences

Basic equivalence relations.

The string library provides the various ACL2::equivalence relations about characters, character lists, and strings. We end up with the following ACL2::refinement hierarchy:

               equal
   ______________|________________
  |              |                |
chareqv         list-equiv       streqv
  |              |                |
ichareqv        charlisteqv      istreqv
                 |
                icharlisteqv

Subtopics

Charlisteqv
Case-sensitive character-list equivalence test.
Icharlisteqv
Case-insensitive character-list equivalence test.
Istreqv
Case-insensitive string equivalence test.
Ichareqv
Case-insensitive character equivalence test.
Streqv
Case-sensitive string equivalence test.
Chareqv
Case-sensitive character equivalence test.
Char-fix
Coerce to a character.
Str-fix
Coerce to a string.