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• Expressions

Expression-option-result

Fixtype of errors and optional Leo expressions.

This is a sum-of-products (i.e., union) type, introduced by fty::defflexsum.

Members

:ok → expression-option-result-ok

:err → expression-option-result-err

Subtopics

Expression-option-result-fix

Fixing function for expression-option-result structures.

Expression-option-result-equiv

Basic equivalence relation for expression-option-result structures.

Expression-option-result-ok

Expression-option-result-err

Expression-option-result-kind

Get the kind (tag) of a expression-option-result structure.

Expression-option-resultp

Recognizer for expression-option-result structures.