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-rw-r--r--src/algebra/data.spad.pamphlet5
1 files changed, 3 insertions, 2 deletions
diff --git a/src/algebra/data.spad.pamphlet b/src/algebra/data.spad.pamphlet
index b491d001..e290fcd6 100644
--- a/src/algebra/data.spad.pamphlet
+++ b/src/algebra/data.spad.pamphlet
@@ -37,14 +37,15 @@ Byte(): Public == Private where
++ bitand(x,y) returns the bitwise `and' of `x' and `y'.
bitior: (%,%) -> %
++ bitor(x,y) returns the bitwise `inclusive or' of `x' and `y'.
-
+ sample: () -> %
+ ++ sample() returns a sample datum of type Byte.
Private == add
import Character
byte(x: NonNegativeInteger): % ==
not (x < 256$Lisp) =>
userError "integer value cannot be represented by a byte"
x : %
-
+ sample() = byte(0@NonNegativeInteger)
hash x == SXHASH(x)$Lisp
coerce(x: NonNegativeInteger): % == byte x