Class: Proc
- Defined in:
- opal/opal/corelib/proc.rb,
opal/opal/corelib/marshal/write_buffer.rb
Class Method Summary collapse
Instance Method Summary collapse
- #__marshal__(buffer) ⇒ Object
- #arity ⇒ Object
- #binding ⇒ Object
- #call(*args, &block) ⇒ Object (also: #[], #===, #yield)
- #curry(arity = undefined) ⇒ Object
- #dup ⇒ Object (also: #clone)
- #lambda? ⇒ Boolean
- #parameters ⇒ Object
- #source_location ⇒ Object
- #to_proc ⇒ Object
Class Method Details
.new(&block) ⇒ Object
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# File 'opal/opal/corelib/proc.rb', line 5 def self.new(&block) unless block raise ArgumentError, 'tried to create a Proc object without a block' end block end |
Instance Method Details
#__marshal__(buffer) ⇒ Object
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# File 'opal/opal/corelib/marshal/write_buffer.rb', line 95 def __marshal__(buffer) raise TypeError, "no _dump_data is defined for class #{self.class}" end |
#arity ⇒ Object
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# File 'opal/opal/corelib/proc.rb', line 65 def arity %x{ if (self.$$is_curried) { return -1; } else { return self.$$arity; } } end |
#binding ⇒ Object
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# File 'opal/opal/corelib/proc.rb', line 80 def binding `if (self.$$is_curried) { #{raise ArgumentError, "Can't create Binding"} }` nil end |
#call(*args, &block) ⇒ Object Also known as: [], ===, yield
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# File 'opal/opal/corelib/proc.rb', line 13 def call(*args, &block) %x{ if (block !== nil) { self.$$p = block; } var result, $brk = self.$$brk; if ($brk) { try { if (self.$$is_lambda) { result = self.apply(null, args); } else { result = Opal.yieldX(self, args); } } catch (err) { if (err === $brk) { return $brk.$v } else { throw err } } } else { if (self.$$is_lambda) { result = self.apply(null, args); } else { result = Opal.yieldX(self, args); } } return result; } end |
#curry(arity = undefined) ⇒ Object
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# File 'opal/opal/corelib/proc.rb', line 114 def curry(arity = undefined) %x{ if (arity === undefined) { arity = self.length; } else { arity = #{Opal.coerce_to!(arity, Integer, :to_int)}; if (self.$$is_lambda && arity !== self.length) { #{raise ArgumentError, "wrong number of arguments (#{`arity`} for #{`self.length`})"} } } function curried () { var args = $slice.call(arguments), length = args.length, result; if (length > arity && self.$$is_lambda && !self.$$is_curried) { #{raise ArgumentError, "wrong number of arguments (#{`length`} for #{`arity`})"} } if (length >= arity) { return self.$call.apply(self, args); } result = function () { return curried.apply(null, args.concat($slice.call(arguments))); } result.$$is_lambda = self.$$is_lambda; result.$$is_curried = true; return result; }; curried.$$is_lambda = self.$$is_lambda; curried.$$is_curried = true; return curried; } end |
#dup ⇒ Object Also known as: clone
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# File 'opal/opal/corelib/proc.rb', line 155 def dup %x{ var original_proc = self.$$original_proc || self, proc = function () { return original_proc.apply(this, arguments); }; for (var prop in self) { if (self.hasOwnProperty(prop)) { proc[prop] = self[prop]; } } return proc; } end |
#lambda? ⇒ Boolean
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# File 'opal/opal/corelib/proc.rb', line 59 def lambda? # This method should tell the user if the proc tricks are unavailable, # (see Proc#lambda? on ruby docs to find out more). `!!self.$$is_lambda` end |
#parameters ⇒ Object
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# File 'opal/opal/corelib/proc.rb', line 85 def parameters %x{ if (self.$$is_curried) { return #{[[:rest]]}; } else if (self.$$parameters) { if (self.$$is_lambda) { return self.$$parameters; } else { var result = [], i, length; for (i = 0, length = self.$$parameters.length; i < length; i++) { var parameter = self.$$parameters[i]; if (parameter[0] === 'req') { // required arguments always have name parameter = ['opt', parameter[1]]; } result.push(parameter); } return result; } } else { return []; } } end |
#source_location ⇒ Object
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# File 'opal/opal/corelib/proc.rb', line 75 def source_location `if (self.$$is_curried) { return nil; }` nil end |
#to_proc ⇒ Object
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# File 'opal/opal/corelib/proc.rb', line 55 def to_proc self end |