Ruby-2-7

Ruby 2.7 adds UnboundMethod#bind_call method

Ruby 2.7 has added bind_call method to UnboundMethods to avoid the allocation from intermediate Method object

Ruby 2.7 deprecates automatic conversion from a hash to keyword arguments

Ruby 2.7 deprecates automatic conversion from a hash to keyword arguments in preparation for real keyword arguments in Ruby 3.0

Ruby 2.7 adds Enumerator::Lazy#eager

Ruby 2.7 added `eager` method to the Enumerator::Lazy class

Ruby 2.7 adds Integer#[] to support range values

Ruby 2.7 has extended `Integer#[]` to support range arguments which makes expressions cleaner and more readable

Ruby 2.7 adds Module#const_source_location

Ruby 2.7 has added Module#const_source_location to get the source location of a constant

Ruby 2.7 adds warning for Proc.new and proc without block and error for lambda without block

In Ruby 2.7 Proc.new and proc with no block in a method called with a block is warned now and lambda with no block in a method called with a block will give errors.

Ruby 2.7 adds FrozenError#receiver

Ruby 2.7 has added `FrozenError#receiver` to return the frozen object on which modification was attempted

Ruby 2.7 adds Time#ceil and Time#floor methods

Ruby 2.7 adds Time#ceil and Time#floor methods to round up and down the decimal part of Time (nanosecond) to the specified digit

Ruby 2.7 adds beginless range

A beginless range is experimentally introduced in ruby 2.7.

Ruby 2.7 adds Enumerable#filter_map

Ruby 2.7 has added Enumerable#filter_map as a shorthand for filter + map in a single call