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| author | dos-reis <gdr@axiomatics.org> | 2008-01-21 22:28:36 +0000 |
|---|---|---|
| committer | dos-reis <gdr@axiomatics.org> | 2008-01-21 22:28:36 +0000 |
| commit | a2de2f06e723208d905a5a98cb4e9016951319a1 (patch) | |
| tree | 164f00c727a3d0b715bcddaf5538a661dc7eda80 /src/algebra/syntax.spad.pamphlet | |
| parent | c7b1a28f3a9155c73d243ab85dd8ccfbb697c78a (diff) | |
| download | open-axiom-a2de2f06e723208d905a5a98cb4e9016951319a1.tar.gz | |
* algebra/syntax.spad.pamphlet (Syntax): Assert a member of
SetCategory. Implement equality.
* algebra/Makefile.pamphlet (axiom_algebra_layer_0): Move
BASTYPE.o from layer 3 to here. Move SYNTAX.o from here to layer 1.
(axiom_algebra_layer_1): Move CTROCALL.o to layer 2.
* share/algebra: Update database.
Diffstat (limited to 'src/algebra/syntax.spad.pamphlet')
| -rw-r--r-- | src/algebra/syntax.spad.pamphlet | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/src/algebra/syntax.spad.pamphlet b/src/algebra/syntax.spad.pamphlet index 4b3ce07f..bf95adcc 100644 --- a/src/algebra/syntax.spad.pamphlet +++ b/src/algebra/syntax.spad.pamphlet @@ -23,11 +23,12 @@ ++ and strings. This domain differs from InputForm in that it represents ++ any entity from a Spad program, not just expressions. ++ Related Constructors: Boolean, Integer, Float, symbol, String, SExpression. -++ See Also: SExpression. +++ See Also: SExpression, SetCategory +++ The equality supported by this domain is structural. ++ Fixme: Provide direct support for boolean values, arbritrary ++ precision float point values. Syntax(): Public == Private where - Public ==> Join(UnionType, CoercibleTo(OutputForm)) with + Public ==> Join(UnionType, SetCategory) with convert: % -> SExpression ++ convert(s) returns the s-expression representation of a syntax. @@ -117,6 +118,9 @@ Syntax(): Public == Private where per(x: SExpression): % == x pretend % + x = y == + EQUAL(x,y)$Lisp @ Boolean + s case Integer == integer? rep s |