Re: Checking, whether string contains only ascii.

[H. S. Teoh via Digitalmars-d-learn]

On Wed, Feb 22, 2017 at 11:43:00AM -0800, H. S. Teoh via Digitalmars-d-learn 
wrote:
[...]
>       import std.range.primitives;
> 
>       bool isAsciiOnly(R)(R input)
>               if (isInputRange!R && is(ElementType!R : dchar))
>       {
>               import std.algorithm.iteration : fold;
>               return input.fold!((a, b) => a && b < 0x80)(true);
>       }
> 
>       unittest
>       {
>               assert(isAsciiOnly("abcdefg"));
>               assert(!isAsciiOnly("abcбвг"));
>       }
[...]

Ah, missing the Exception part:

        void foo(string input)
        {
                if (!input.isAsciiOnly)
                        throw new Exception("...");
        }


T

-- 
Why are you blatanly misspelling "blatant"? -- Branden Robinson