Creates a new DNS name from arg. arg can be:
Creates a new LOC::Size from arg which may be:
Creates a new LOC::Coord from arg which may be:
LOC::Coord
returns arg.
String
arg must match the LOC::Coord::Regex constant
Creates a new LOC::Alt from arg which may be:
Content: [ String text ]
Filters the supplied nodeset on the predicate(s)
| RelationalExpr (‘<’ | ‘>’ | ‘<=’ | ‘>=’) AdditiveExpr | AdditiveExpr
| MultiplicativeExpr (‘*’ | S (‘div’ | ‘mod’) S) UnaryExpr | UnaryExpr
| LocationPath | FilterExpr (‘/’ | ‘//’) RelativeLocationPath
Check if gem name version version is installed.
Block form for restricting gems to a set of platforms.
The gem dependencies platform is different from Gem::Platform. A platform gem.deps.rb platform matches on the ruby engine, the ruby version and whether or not windows is allowed.
Matches non-windows, non-jruby implementations where X and Y can be used to match releases in the 1.8, 1.9, 2.0 or 2.1 series.
Matches non-windows C Ruby (Matz Ruby) or only the 1.8, 1.9, 2.0 or 2.1 series.
Matches 32 bit C Ruby on MinGW or only the 1.8, 1.9, 2.0 or 2.1 series.
Matches 64 bit C Ruby on MinGW or only the 1.8, 1.9, 2.0 or 2.1 series.
Matches 32 bit C Ruby on Microsoft Windows or only the 1.8, 1.9, 2.0 or 2.1 series.
Matches 64 bit C Ruby on Microsoft Windows or only the 1.8, 1.9, 2.0 or 2.1 series.
Matches JRuby or JRuby in 1.8 or 1.9 mode.
Matches Maglev
Matches non-windows Rubinius
NOTE: There is inconsistency in what environment a platform matches. You may need to read the source to know the exact details.
Block form for restricting gems to a particular set of platforms. See platform.
True if the requested gem has already been installed.
The platform of this activation request’s specification
Explanation of the conflict used by exceptions to print useful messages
Does this dependency request match spec?
NOTE: match? only matches prerelease versions when dependency is a prerelease dependency.