syntax: 'var'->'let' 'function'->'func'

- 'var' has some weird scoping connotations with users of JS. better to change it to 'let', which will decide whether to make the variable a local or a global
- 'func' looks visually appealing lol
- some minor refactoring done in cparse.c

examples/break.cosmo

@@ -1,8 +1,8 @@
 // just testing continues and breaks
 
-for (var x = 0; x < 700; x++) do
-    for (var i = 0; true; i++) do
-        var str = i .. "." .. x
+for (let x = 0; x < 700; x++) do
+    for (let i = 0; true; i++) do
+        let str = i .. "." .. x
         if (i == 998) then
             print(i .. " reached")
             break // exits the loop
@@ -13,9 +13,9 @@ for (var x = 0; x < 700; x++) do
     end
 
     // same example as the for loop but done manually using a while loop
-    var i = 0
+    let i = 0
     while true do
-        var str = i .. "." .. x
+        let str = i .. "." .. x
         if (i++ == 998) then
             print("done")
             break

examples/compare.cosmo

@@ -1,20 +1,20 @@
-var strtable = []
-var strLen = 4 // length of all strings to generate
-var AByte = "A":byte() // grabs the ascii value of 'A'
+let strtable = []
+let strLen = 4 // length of all strings to generate
+let AByte = "A":byte() // grabs the ascii value of 'A'
 
 proto stringBuilder 
-    function __init(self, length)
+    func __init(self, length)
         self.len = length
     end
 
     // we are the iterator object lol
-    function __iter(self)
+    func __iter(self)
         self.x = 0
         return self
     end
 
-    function __next(self)
-        var x = self.x++
+    func __next(self)
+        let x = self.x++
 
         // if we've generated all the possible strings, return nil ending the loop
         if x >= 26 ^ self.len then
@@ -22,8 +22,8 @@ proto stringBuilder
         end
 
         // generate the string
-        var str = ""
-        for (var i = 0; i < self.len; i++) do
+        let str = ""
+        for (let i = 0; i < self.len; i++) do
             str = string.char(AByte + (x % 26)) .. str
  
             x = math.floor(x / 26)

examples/fibtest.cosmo

@@ -1,4 +1,4 @@
-local function fib(num)
+local func fib(num)
     if num <= 1 then
         return num
     else
@@ -6,6 +6,6 @@ local function fib(num)
     end
 end
 
-for (var i = 1; i < 40; i++) do
+for (let i = 1; i < 40; i++) do
     print("The fib number of " .. i .. " is " .. fib(i))
 end

examples/getters_setters.cosmo

@@ -1,4 +1,4 @@
-var object = {
+let object = {
     __setter = [
         "field1" = function(self, val)
             print("setter for field1 called!")

examples/increment.cosmo

@@ -1,22 +1,22 @@
 proto Vector
-    function __init(self)
+    func __init(self)
         self.vector = []
         self.x = 0
     end
 
-    function push(self, val)
+    func push(self, val)
         self.vector[self.x++] = val
     end 
 
-    function pop(self)
+    func pop(self)
         return self.vector[--self.x]
     end
 
-    function __index(self, key)
+    func __index(self, key)
         return self.vector[key]
     end
 
-    function __iter(self)
+    func __iter(self)
         // you don't *have* to make a new object, i just wanted to show off anonymous functions
         return {__next = (function(self)             
                 return self.vector[self.iterIndex++]
@@ -27,9 +27,9 @@ proto Vector
     end
 end
 
-var vector = Vector()
+let vector = Vector()
 
-for (var i = 0; i < 100000; i++) do
+for (let i = 0; i < 100000; i++) do
     vector:push(i)
 end
 

examples/iterator.cosmo

@@ -1,14 +1,14 @@
 proto Range
-    function __init(self, x)
+    func __init(self, x)
         self.max = x
     end
 
-    function __iter(self)
+    func __iter(self)
         self.i = 0
         return self
     end
 
-    function __next(self)
+    func __next(self)
         if self.i >= self.max then
             return nil // exit iterator loop
         end

examples/stress.cosmo

@@ -1,15 +1,15 @@
 proto Test
-    function __init(self, x)
+    func __init(self, x)
         self.x = x
     end
 
-    function print(self)
+    func print(self)
         print(self.x)
     end
 end
 
 // stressing the GC
-for (var i = 0; i < 100000; i++) do
-    var x = Test("Hello world " .. i)
+for (let i = 0; i < 100000; i++) do
+    let x = Test("Hello world " .. i)
     x:print()
 end

examples/strings.cosmo

@@ -1,7 +1,7 @@
-var words = "hello world! this is a sentence with words separated by space":split(" ")
+let words = "hello world! this is a sentence with words separated by space":split(" ")
 
-var str = ""
-for (var i = 0; i < #words; i++) do
+let str = ""
+for (let i = 0; i < #words; i++) do
     str = str .. words[i]
     print(words[i])
 end

examples/test.cosmo

@@ -1,10 +1,10 @@
 // crafts a dummy proto
 proto test 
-    function __init(self) end
+    func __init(self) end
 end
 
 // instance of test
-var obj = test()
+let obj = test()
 
 test.__index = function(self, key)
     print("__index called!")

examples/testsuite.cosmo

@@ -17,16 +17,16 @@ assert(2 / 5 + 3 / 5 == 1, "PEMDAS check #2 failed!")
 // iterator test
 
 proto Range
-    function __init(self, x)
+    func __init(self, x)
         self.max = x
     end
 
-    function __iter(self)
+    func __iter(self)
         self.i = 0
         return self
     end
 
-    function __next(self)
+    func __next(self)
         if self.i >= self.max then
             return nil // exit iterator loop
         end
@@ -35,7 +35,7 @@ proto Range
     end
 end
 
-var total = 0
+let total = 0
 for i in Range(100) do
     total = total + i
 end

examples/tostring.cosmo

@@ -1,27 +1,27 @@
 proto test
-    function __init(self, x)
+    func __init(self, x)
         self:setArg(x)
     end
 
-    function __tostring(self)
-        var total = 1
+    func __tostring(self)
+        let total = 1
 
-        for (var i = self.x; i > 0; i = i - 1) do
+        for (let i = self.x; i > 0; i = i - 1) do
             total = total * i;
         end
 
         return "The factorial of " .. self.x .. " is " .. total
     end
 
-    function setArg(self, x)
+    func setArg(self, x)
         self.x = x
     end
 end
 
-var t = test(1)
+let t = test(1)
 
-for (var x = 1; x < 1000; x = x + 1) do
-    for (var i = 1; i < 100; i = i + 1) do
+for (let x = 1; x < 1000; x = x + 1) do
+    for (let i = 1; i < 100; i = i + 1) do
         t:setArg(i)
 
         print(t)

examples/variadic.cosmo

@@ -1,5 +1,5 @@
 // adds all args passed (expects numbers)
-function add(start, ...args) 
+func add(start, ...args) 
     // starting at `start`, add up all numbers passed
     local total = start
     for val in args do