Ruby
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 readableWhat's new in Interactive Ruby Shell (IRB) with Ruby 2.7
List of new and experimental features in the Interactive Ruby Shell(IRB) which are introduced with Ruby 2.7.Ruby 2.7 adds Module#const_source_location
Ruby 2.7 has added Module#const_source_location to get the source location of a constantRuby 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 attemptedRuby 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 digitRuby 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 callRuby 2.7 adds Enumerable#tally
Ruby 2.7 has added Enumerable#tally. It helps to tally occurrences of elements in an Enumerable.Ruby 2.7 adds shorthand operator for Object#method
Ruby 2.7 adds experimental shorthand operator for Object#method. Allows method object access using :, example File.:basename
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