symbol-utils
TOC »
- symbol-utils
- Documentation
- Argument Conventions
- unbound-value
- unbound-value?
- unbound?
- symbol-value
- unspecified-value
- unspecified-value?
- unspecified?
- symbol->keyword
- symbol-printname-details
- symbol-printname=?
- symbol-printname<?
- symbol-printname-length
- max-symbol-printname-length
- make-qualified-symbol
- make-qualified-uninterned-symbol
- qualified-symbol?
- symbol->qualified-string
- interned-symbol?
- Usage
- Author
- Version history
- License
Documentation
Argument Conventions
SYM is a symbol
OBJ is an arbitrary Scheme object
A printname is the string form of a symbol.
unbound-value
unbound-value?
unbound?
- (unbound? SYM) => boolean syntax
symbol-value
- (symbol-value SYM [DEF]) => * syntax
Returns SYM binding or DEF when unbound.
unspecified-value
- (unspecified-value) => #<unspecified> procedure
unspecified-value?
unspecified?
symbol->keyword
- (symbol->keyword SYM) => keyword procedure
Note that keyword->symbol is just (string->symbol (symbol->string KWD)).
symbol-printname-details
- (symbol-printname-details SYM) => (string string) procedure
Returns 2 values: the string, and any qualification prefix string, for SYM
symbol-printname=?
- (symbol-printname=? X Y) => boolean procedure
X & Y are symbol.
symbol-printname<?
- (symbol-printname<? X Y) => boolean procedure
X & Y are symbol.
symbol-printname-length
- (symbol-printname-length SYM) => integer procedure
max-symbol-printname-length
- (max-symbol-printname-length SYMS) => integer procedure
SYMS is a list of symbol.
make-qualified-symbol
- (make-qualified-symbol PREFIX NAME) => symbol procedure
PREFIX & NAME are either symbol or string.
make-qualified-uninterned-symbol
qualified-symbol?
- (qualified-symbol? SYM) => boolean procedure
symbol->qualified-string
- (symbol->qualified-string SYM) => string procedure
interned-symbol?
- (interned-symbol? SYM) => boolean procedure
Usage
(require-extension symbol-utils)
Author
Version history
- 1.0.2
- Fix for ticket #630.
- 1.0.1
- 1.0.0
- Hello.
License
Copyright (C) 2010 Kon Lovett. All rights reserved.
Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the Software), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED ASIS, WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.