It's pre-emptively reserving certain prefixes. "is" is for any function that ret...

D-Coder on Jan 11, 2023 | parent | context | favorite | on: On leading underscores and names reserved by the C...

It's pre-emptively reserving certain prefixes. "is" is for any function that returns true/false (which then collides with "island", "israel", "isaac"). "str" for any string function (which then collides with "strong", "strepthroat", "strange").