input-mismatch-error ( value expected-type word expected-types -- * )
Strongly-typed word definitions

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Vocabulary
typed

Inputs

word	a word
expected-types	an array

Outputs
None

Class description
Errors of this class are raised at runtime by TYPED: words when they are invoked with input values that do not match their type annotations. The word slot indicates the word that failed, and the expected-types slot specifies the input types expected.

Definition

IN: typed

ERROR: input-mismatch-error < type-mismatch-error ;

Methods

USING: accessors classes kernel make prettyprint summary typed ;

M: input-mismatch-error summary
    [
        "Typed word “" % dup word>> name>> %
        "” expected input value of type " %
        dup expected-type>> unparse % " but got " %
        dup value>> class-of name>> % drop
    ] "" make ;