Prefix type checkers with "is", stdlib cleanup

test/tests/binary operator overload.ans

@@ -1,7 +1,7 @@
 :$ a - b
 	return("generic minus")
 
-:$ a::string - b::string
+:$ a::is string - b::is string
 	return(a + " minus " + b)
 
 | {2-5}

test/tests/function assignement.ans

@@ -7,7 +7,7 @@
 	|v={v}
 	a = v
 
-:$ f(p) = v::string
+:$ f(p) = v::is string
 	|v2={v}
 	a = p
 

test/tests/function selection.ans

@@ -1,8 +1,8 @@
-:$ a(x::number)
+:$ a(x::is number)
 	return(x + 2)
 
 :$ x
-	:$ a(x::string)
+	:$ a(x::is string)
 		return(x + "heh")
 
 	|{a("plop")}

test/tests/function type dispatch ambigous.ans

@@ -1,7 +1,7 @@
-:$ fn(x::number)
+:$ fn(x::is number)
 	|x
 
-:$ fn(a::number)
+:$ fn(a::is number)
 	|a
 
 fn(5)

test/tests/function type dispatch with default.ans

@@ -1,7 +1,7 @@
-:$ fn(x::number)
+:$ fn(x::is number)
 	|x
 
-:$ fn(a::string="o")
+:$ fn(a::is string="o")
 	|a
 
 fn("s")
@@ -10,10 +10,10 @@ fn(5)
 
 fn()
 
-:$ g(n="s", a::number=5)
+:$ g(n="s", a::is number=5)
 	return("gn")
 
-:$ g(n="s", a::string="lol")
+:$ g(n="s", a::is string="lol")
 	return("gs")
 
 |{g(n="k", a="l")}

test/tests/function type dispatch.ans

@@ -1,7 +1,7 @@
-:$ fn(x::number)
+:$ fn(x::is number)
 	|x
 
-:$ fn(a::string)
+:$ fn(a::is string)
 	|a
 
 fn("s")

test/tests/serialize function.ans

@@ -1,6 +1,6 @@
 :f = ()
 _
-	:$_+_(a::string, b)
+	:$_+_(a::is string, b)
 		"{a}{b}"
 
 	:a=1

test/tests/unary operator overload.ans

@@ -1,7 +1,7 @@
 :$ -f
 	return("generic minus")
 
-:$ -f::string
+:$ -f::is string
 	return("minus "+f)
 
 |{-5}