Merge pull request #162 from uniment/master

run string macros at compile, not runtime

Author: JeffreySarnoff

src/type/parse.jl

@@ -7,7 +7,7 @@
 end
 
 macro df64_str(val::AbstractString)
-  :(Double64($val))
+  Double64(val)
 end
 
 @inline function Double32(str::S) where {S<:AbstractString}
@@ -19,7 +19,7 @@ end
 end
 
 macro df32_str(val::AbstractString)
-  :(Double32($val))
+  Double32(val)
 end
 
 @inline function Double16(str::S) where {S<:AbstractString}
@@ -31,7 +31,7 @@ end
 end
 
 macro df16_str(val::AbstractString)
-  :(Double16($val))
+  Double16(val)
 end
 
 function tryparse(::Type{DoubleFloat{Float64}}, str::S; base::Int=10) where {S<:AbstractString}