▼
Unlib:
Helpful Utilities from Untyped
1
Changes in Unlib 4.x
2
Bytes utilities
3
Write-
through cache
4
Contract utilities
5
CRC checksums
6
Debugging tools
7
Enumerations (deprecated)
8
Enumerations (revised)
9
Exception utilities
10
File and path utilities
11
for
variants
12
Generators
13
Generators (short names)
14
PLT 4x hash utilities
15
PLT 3x hash utilities
16
Keyword utilities
17
Logging utilities
18
List utilities
19
Match utilities
20
Number utilities
21
Parameter utilities
22
Pipelines
23
Profiling tools
24
Require utilities
25
Scribble utilities
26
String utilities
27
Symbol utilities
28
Syntax utilities
29
SRFI19 time utilities
30
URL utilities
31
Yieldable procedures
On this page:
crc32
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5
CRC checksums
(
require
(
planet
untyped/unlib/crc
)
)
(
crc32
data
)
→
natural?
data
:
bytes?
Returns the IEEE 32-bit checksum of
data
.
Examples:
>
(
crc32
#"Hello world!"
)
461707669
>
(
crc32
#"Hello world."
)
2335835140
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