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September Morn Update

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This commit is contained in:
Ingy döt Net 2019-09-12 10:33:56 -07:00
parent 4e2d22a71d
commit aac6731f2c
6856 changed files with 141342 additions and 21127 deletions
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16
Task/Empty-string/Lua/empty-string.lua
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@ -1,4 +1,7 @@
str = "" -- create empty string
-- create an empty string 3 different ways
str = ""
str = ''
str = [[]]
-- test for empty string
if str == "" then
@ -9,3 +12,14 @@ end
if str ~= "" then
print "The string is not empty"
end
-- several different ways to check the string's length
if string.len(str) == 0 then
print "The library function says the string is empty."
end
if str:len() == 0 then
print "The method call says the string is empty."
end
if #str == 0 then
print "The unary operator says the string is empty."
end