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Change in the syntax of attributes

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Attributes changed to posfixed ('x <const>', instead of '<const> x'),
and "toclose" renamed to "close". Posfixed attributes seem to make it
clearer that it applies to only one variable when there are multiple
variables.
This commit is contained in:
Roberto Ierusalimschy
2019-07-30 12:18:19 -03:00
parent b80077b8f3
commit 0d52913804
11 changed files with 103 additions and 102 deletions
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14
testes/files.lua
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@@ -125,7 +125,7 @@ do
-- closing file by scope
local F = nil
do
local <toclose> f = assert(io.open(file, "w"))
local f <close> = assert(io.open(file, "w"))
F = f
end
assert(tostring(F) == "file (closed)")
@@ -135,7 +135,7 @@ assert(os.remove(file))
do
-- test writing/reading numbers
local <toclose> f = assert(io.open(file, "w"))
local f <close> = assert(io.open(file, "w"))
f:write(maxint, '\n')
f:write(string.format("0X%x\n", maxint))
f:write("0xABCp-3", '\n')
@@ -144,7 +144,7 @@ do
f:write(string.format("0x%X\n", -maxint))
f:write("-0xABCp-3", '\n')
assert(f:close())
local <toclose> f = assert(io.open(file, "r"))
local f <close> = assert(io.open(file, "r"))
assert(f:read("n") == maxint)
assert(f:read("n") == maxint)
assert(f:read("n") == 0xABCp-3)
@@ -158,7 +158,7 @@ assert(os.remove(file))
-- testing multiple arguments to io.read
do
local <toclose> f = assert(io.open(file, "w"))
local f <close> = assert(io.open(file, "w"))
f:write[[
a line
another line
@@ -170,18 +170,18 @@ three
]]
local l1, l2, l3, l4, n1, n2, c, dummy
assert(f:close())
local <toclose> f = assert(io.open(file, "r"))
local f <close> = assert(io.open(file, "r"))
l1, l2, n1, n2, dummy = f:read("l", "L", "n", "n")
assert(l1 == "a line" and l2 == "another line\n" and
n1 == 1234 and n2 == 3.45 and dummy == nil)
assert(f:close())
local <toclose> f = assert(io.open(file, "r"))
local f <close> = assert(io.open(file, "r"))
l1, l2, n1, n2, c, l3, l4, dummy = f:read(7, "l", "n", "n", 1, "l", "l")
assert(l1 == "a line\n" and l2 == "another line" and c == '\n' and
n1 == 1234 and n2 == 3.45 and l3 == "one" and l4 == "two"
and dummy == nil)
assert(f:close())
local <toclose> f = assert(io.open(file, "r"))
local f <close> = assert(io.open(file, "r"))
-- second item failing
l1, n1, n2, dummy = f:read("l", "n", "n", "l")
assert(l1 == "a line" and n1 == nil)