check[syntax] check expr (=> equal) expected)
[syntax] check expr => expected)
SRFI-78: evaluates expr and compares the value to the value of
expected using the predicate equal, which is equal? when omitted.
Then a report is printed according to the current mode setting
(see check-set-mode!)
and the outcome is recorded in a global state to be used in check-report.
The precise order of evaluation is that first equal
and expected are evaluated (in unspecified order) and then expr
is evaluated.
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