add qw.lua

2 files changed, 18 insertions, 0 deletions

diff --git a/pos.lua b/pos.lua
index 149783e..a3343ee 100644
--- a/pos.lua
+++ b/pos.lua
@@ -26,6 +26,7 @@ function Pos.__mul(a,b)
 	else
 		error("can only multiply Pos by scalar")
 	end
+
 end
 function Pos.__div(a,b)
 	assert(type(b) == "number","can only divide Pos by scalar")
diff --git a/qw.lua b/qw.lua
new file mode 100644
index 0000000..3b27816
--- /dev/null
+++ b/qw.lua
@@ -0,0 +1,17 @@
+-- qw"aaa bbb ccc" --> { "aaa", "bbb", "ccc" }
+local function qw(str)
+	local out = {}
+	for x in str:gmatch"%S+" do
+		table.insert(out, x)
+	end
+	return out
+end
+-- qw.s"aaa bbb ccc" --> { aaa=true, bbb=true, ccc=true }
+local function qws(str)
+	local out = {}
+	for x in str:gmatch"%S+" do
+		out[x] = true
+	end
+	return out
+end
+return setmetatable({qw=qw,s=qws},{__call=function(_,...) return qw(...) end})