diff options
Diffstat (limited to 'src/algebra/any.spad.pamphlet')
| -rw-r--r-- | src/algebra/any.spad.pamphlet | 16 |
1 files changed, 9 insertions, 7 deletions
diff --git a/src/algebra/any.spad.pamphlet b/src/algebra/any.spad.pamphlet index 758b47f6..60aa47e9 100644 --- a/src/algebra/any.spad.pamphlet +++ b/src/algebra/any.spad.pamphlet @@ -33,7 +33,7 @@ import OutputForm None():SetCategory == add coerce(none:%):OutputForm == "NONE" :: OutputForm - x:% = y:% == EQ(x,y)$Lisp + x:% = y:% == %peq(x,y)$Foreign(Builtin) @ @@ -53,7 +53,7 @@ RuntimeValue(): Type with ++ \spad{eq(x,y)} holds if both values \spad{x} and \spad{y} ++ resides at the same address in memory. == add - eq(x,y) == EQ(x,y)$Foreign(Builtin) + eq(x,y) == %peq(x,y)$Foreign(Builtin) @ @@ -84,9 +84,11 @@ Maybe(T: CoercibleTo OutputForm): Public == Private where nothing: % ++ \spad{nothing} represents failure or absence of value. Private == add - nothing == %nothing$Lisp + import %nothing: % from Foreign Builtin + import %peq: (%,%) -> Boolean from Foreign Builtin + nothing == %nothing just x == x : % - x case nothing == EQ(x,%nothing$Lisp)$Lisp + x case nothing == %peq(x,%nothing) x case T == not(x case nothing) autoCoerce x == x : T coerce(x: T): % == just x @@ -181,7 +183,7 @@ Any(): SetCategory with x = y == case (x,y) is (x': exist(S: BasicType) . S, y': S) => x' = y' - otherwise => EQ(x,y)$Foreign(Builtin) + otherwise => %peq(x,y)$Foreign(Builtin) coerce(x):OutputForm == case x is @@ -296,7 +298,7 @@ Property(): Public == Private where v := value x val := null? v => false::OutputForm - EQ(v,'T)$Lisp => true::OutputForm + %peq(v,'T)$Foreign(Builtin) => true::OutputForm v::OutputForm bracket(infix(outputForm '_=_>, name(x)::OutputForm, @@ -371,7 +373,7 @@ Contour(): Public == Private where findBinding(n,c) == for b in bindings c repeat - EQ(n, name b)$Lisp => return just b + %peq(n, name b)$Foreign(Builtin) => return just b nothing push(b,c) == |