http://d.puremagic.com/issues/show_bug.cgi?id=8310
Summary: writeln of Range of fixed size array Product: D Version: D2 Platform: x86 OS/Version: Windows Status: NEW Keywords: rejects-valid Severity: normal Priority: P2 Component: Phobos AssignedTo: nob...@puremagic.com ReportedBy: bearophile_h...@eml.cc --- Comment #0 from bearophile_h...@eml.cc 2012-06-27 05:21:17 PDT --- import std.stdio: writeln; import std.algorithm: map; import std.array: array; void main() { char[2] two = ['a', 'b']; auto pieces = [1, 2].map!(x => two)(); writeln(pieces.array()); } It gives an acceptable output (dmd 2.060alpha): ["ab", "ab"] But printing the lazy range itself fails: import std.stdio: writeln; import std.algorithm: map; void main() { char[2] two = ['a', 'b']; auto pieces = [1, 2].map!(x => two)(); writeln(pieces); } ...\dmd2\src\phobos\std\format.d(1978): Error: template std.format.formatValue does not match any function template declaration ...\dmd2\src\phobos\std\format.d(1203): Error: template std.format.formatValue cannot deduce template function from argument types !()(LockingTextWriter,char[2u],FormatSpec!(char)) ...\dmd2\src\phobos\std\format.d(2006): Error: template std.format.formatValue does not match any function template declaration ...\dmd2\src\phobos\std\format.d(1203): Error: template std.format.formatValue cannot deduce template function from argument types !()(LockingTextWriter,char[2u],FormatSpec!(char)) ...\dmd2\src\phobos\std\format.d(2474): Error: template instance std.format.formatRange!(LockingTextWriter,Result,char) error instantiating ...\dmd2\src\phobos\std\format.d(2761): instantiated from here: formatValue!(LockingTextWriter,Result,char) ...\dmd2\src\phobos\std\format.d(420): instantiated from here: formatGeneric!(LockingTextWriter,Result,char) ...\dmd2\src\phobos\std\stdio.d(683): instantiated from here: formattedWrite!(LockingTextWriter,char,Result) ...\dmd2\src\phobos\std\stdio.d(1594): instantiated from here: write!(Result,char) test.d(6): instantiated from here: writeln!(Result) ...\dmd2\src\phobos\std\format.d(2761): Error: template instance std.format.formatValue!(LockingTextWriter,Result,char) error instantiating ...\dmd2\src\phobos\std\format.d(420): instantiated from here: formatGeneric!(LockingTextWriter,Result,char) ...\dmd2\src\phobos\std\stdio.d(683): instantiated from here: formattedWrite!(LockingTextWriter,char,Result) ...\dmd2\src\phobos\std\stdio.d(1594): instantiated from here: write!(Result,char) test.d(6): instantiated from here: writeln!(Result) ...\dmd2\src\phobos\std\format.d(420): Error: template instance std.format.formatGeneric!(LockingTextWriter,Result,char) error instantiating ...\dmd2\src\phobos\std\stdio.d(683): instantiated from here: formattedWrite!(LockingTextWriter,char,Result) ...\dmd2\src\phobos\std\stdio.d(1594): instantiated from here: write!(Result,char) test.d(6): instantiated from here: writeln!(Result) ...\dmd2\src\phobos\std\stdio.d(683): Error: template instance std.format.formattedWrite!(LockingTextWriter,char,Result) error instantiating ...\dmd2\src\phobos\std\stdio.d(1594): instantiated from here: write!(Result,char) test.d(6): instantiated from here: writeln!(Result) ...\dmd2\src\phobos\std\stdio.d(1594): Error: template instance std.stdio.File.write!(Result,char) error instantiating test.d(6): instantiated from here: writeln!(Result) test.d(6): Error: template instance std.stdio.writeln!(Result) error instantiating -- Configure issuemail: http://d.puremagic.com/issues/userprefs.cgi?tab=email ------- You are receiving this mail because: -------