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54 lines
1.1 KiB
Plaintext
54 lines
1.1 KiB
Plaintext
10 years ago
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#lang scribble/manual
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@(require scribble/eval (for-label racket sugar))
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@(define my-eval (make-base-eval))
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@(my-eval `(require sugar))
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@title{String}
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9 years ago
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@defmodule[#:multi (sugar/string (submod sugar/string safe))]
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10 years ago
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@defproc[
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(starts-with?
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[str stringish?]
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[starter stringish?])
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boolean?]
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Return @racket[#t] if @racket[_str] starts with @racket[_starter], otherwise @racket[#f].
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@examples[#:eval my-eval
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(starts-with? "foobar" "foo")
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(starts-with? "foobar" "foobar")
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(starts-with? "foobar" "zam")
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(starts-with? "foobar" "foobars")
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]
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@defproc[
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(ends-with?
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[str stringish?]
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[ender stringish?])
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boolean?]
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Return @racket[#t] if @racket[_str] ends with @racket[_ender], otherwise @racket[#f].
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@examples[#:eval my-eval
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(ends-with? "foobar" "foo")
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(ends-with? "foobar" "foobar")
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(ends-with? "foobar" "zam")
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(ends-with? "foobar" "foobars")
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]
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@defproc[
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(capitalized?
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[str stringish?])
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boolean?]
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Return @racket[#t] if @racket[_str] starts with a capital letter, otherwise @racket[#f].
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@examples[#:eval my-eval
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(capitalized? "Brennan")
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(capitalized? "Brennan stinks")
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(capitalized? "stinks")
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]
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