UDA failling to build when using delegate

[bioinfornatics via Digitalmars-d-learn]

On Monday, 3 November 2014 at 23:53:53 UTC, bioinfornatics wrote:
> Dear,
>
> why this code fail to build http://dpaste.dzfl.pl/8ef3898b05d2 ?
>
> I try to have a structure which is used to fill information from
> a file.
> And I use UDA to tell : to get this field you need to read from 
> x
> to y using a delegate.
>
>
> thanks for your advise

with ldc and dmdfe 2.066 i got:

$ ldc2 test.d
test.d(40): Error: type Section!((letter) => letter == '>',
(letter) => letter == '\x0a') has no value
tuple((Section!((letter) => letter == '>', (letter) => letter ==
'\x0a')))
Section!((letter) => letter == '>', (letter) => letter == '\x0a')
test.d(92): Error: this for countUntil needs to be type Fasta not
type Parser!(Fasta, ByChunk)
test.d(99): Error: this for countUntil needs to be type Fasta not
type Parser!(Fasta, ByChunk)
test.d(101): Error: this for countUntil needs to be type Fasta
not type Parser!(Fasta, ByChunk)
test.d(109): Error: this for countUntil needs to be type Fasta
not type Parser!(Fasta, ByChunk)
test.d(43): Error: type Section!((letter) => letter >= 'A' &&
letter <= 'z', (letter) => letter == '\x0a') has no value
tuple((Section!((letter) => letter >= 'A' && letter <= 'z',
(letter) => letter == '\x0a')))
Section!((letter) => letter >= 'A' && letter <= 'z', (letter) =>
letter == '\x0a')
test.d(92): Error: this for countUntil needs to be type Fasta not
type Parser!(Fasta, ByChunk)
test.d(99): Error: this for countUntil needs to be type Fasta not
type Parser!(Fasta, ByChunk)
test.d(101): Error: this for countUntil needs to be type Fasta
not type Parser!(Fasta, ByChunk)
test.d(109): Error: this for countUntil needs to be type Fasta
not type Parser!(Fasta, ByChunk)
test.d(7): Error: template instance test.Parser!(Fasta, ByChunk)
error instantiating