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27 Structs

NOTE: This library is deprecated; use racket/struct, instead. The contents of this module, with the exceptions below, have been merged with racket/struct.

 (require unstable/struct) package: unstable-lib


(make struct-id expr ...)

Creates an instance of struct-id, which must be bound as a struct name. The number of exprs is statically checked against the number of fields associated with struct-id. If they are different, or if the number of fields is not known, an error is raised at compile time.

> (define-struct triple (a b c))
> (make triple 3 4 5)


> (make triple 2 4)

eval:4:0: make: wrong number of arguments for struct triple

(expected 3, got 2)

  in: (make triple 2 4)