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author | Roberto Ierusalimschy <roberto@inf.puc-rio.br> | 2020-12-07 11:17:30 -0300 |
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committer | Roberto Ierusalimschy <roberto@inf.puc-rio.br> | 2020-12-07 11:17:30 -0300 |
commit | e2ea3b31c94bb3e1da27c233661cb2a16699c685 (patch) | |
tree | 1d817c8d90e5fbd2c52dff18383a085f2bc847c1 /manual | |
parent | 23051e830a8b212f831443eb888e93e30fa8bb19 (diff) | |
download | lua-e2ea3b31c94bb3e1da27c233661cb2a16699c685.tar.gz lua-e2ea3b31c94bb3e1da27c233661cb2a16699c685.tar.bz2 lua-e2ea3b31c94bb3e1da27c233661cb2a16699c685.zip |
Details (do not affect regular code)
* Avoids multiple definitions of 'lua_assert' in test file.
* Smaller C-stack limit in test mode.
* Note in the manual about the use of false
* Extra test for constant reuse.
Diffstat (limited to 'manual')
-rw-r--r-- | manual/manual.of | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/manual/manual.of b/manual/manual.of index 606771f4..771bace0 100644 --- a/manual/manual.of +++ b/manual/manual.of | |||
@@ -88,6 +88,11 @@ The type @emph{boolean} has two values, @false and @true. | |||
88 | Both @nil and @false make a condition false; | 88 | Both @nil and @false make a condition false; |
89 | they are collectively called @def{false values}. | 89 | they are collectively called @def{false values}. |
90 | Any other value makes a condition true. | 90 | Any other value makes a condition true. |
91 | Despite its name, | ||
92 | @false is frequently used as an alternative to @nil, | ||
93 | with the key difference that @false behaves | ||
94 | like a regular value in a table, | ||
95 | while a @nil in a table represents an absent key. | ||
91 | 96 | ||
92 | The type @emph{number} represents both | 97 | The type @emph{number} represents both |
93 | integer numbers and real (floating-point) numbers, | 98 | integer numbers and real (floating-point) numbers, |