Splitting Ranges using Lambda Predicates

["Nordlöw" via Digitalmars-d-learn]

On Wednesday, 11 June 2014 at 08:58:58 UTC, monarch_dodra wrote:
> auto slicer(alias isTerminator, Range)(Range input)
> if (((isRandomAccessRange!Range && hasSlicing!Range) || 
> isSomeString!Range)
>     && is(typeof(unaryFun!isTerminator(input.front))))
> {
>     return SlicerResult!(unaryFun!isTerminator, Range)(input);
> }
> ...

Your solution copied here

https://github.com/nordlow/justd/blob/master/slicer.d

errors as
/home/per/opt/x86_64-unknown-linux-gnu/dmd/linux/bin64/src/phobos/std/algorithm.d(5752,24): 
Error: template std.functional.not!(isUpper).not cannot deduce 
function from argument types !()(dchar), candidates are:
/home/per/opt/x86_64-unknown-linux-gnu/dmd/linux/bin64/src/phobos/std/functional.d(393,10): 
        std.functional.not!(isUpper).not(T...)(T args) if 
(is(typeof(!unaryFun!pred(args))) || 
is(typeof(!binaryFun!pred(args))))
slicer.d(29,31): Error: template instance 
std.algorithm.find!(not, string) error instantiating
slicer.d(16,12):        instantiated from here: Slicer!(isUpper, 
string)
slicer.d(85,30):        instantiated from here: slicer!(isUpper, 
string)

What's wrong?