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Added support for numerical keys to lume.format()

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This commit is contained in:
rxi 2014-03-04 12:18:50 +00:00
parent bdb2f0003e
commit fb64932134
2 changed files with 7 additions and 4 deletions
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7
README.md
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@ -213,10 +213,11 @@ lume.trim(" Hello ") -- Returns "Hello"
### lume.format(str [, vars])
Returns a formatted string. The values of keys in the table `vars` can be
inserted into the string by using the form `"{key}"` in `str`.
inserted into the string by using the form `"{key}"` in `str`; numerical keys
can also be used.
```lua
lume.format("Hello {a}, I hope {a} is {b}.", {a = "world", b = "well"})
-- Returns "Hello world, I hope world is well."
lume.format("{b} hi {a}", {a = "mark", b = "Oh"}) -- Returns "Oh hi mark"
lume.format("Hello {1}!", {"world"}) -- Returns "Hello world!"
```
### lume.trace(...)

4
lume.lua
View File

@ -232,7 +232,9 @@ end
function lume.format(str, vars)
if not vars then return str end
local f = function(x) return tostring(vars[x] or "{" .. x .. "}") end
local f = function(x)
return tostring(vars[x] or vars[tonumber(x)] or "{" .. x .. "}")
end
return (str:gsub("{(.-)}", f))
end