Method: Array#delete_if

Defined in:
array.c

#delete_if {|element| ... } ⇒ self #delete_if ⇒ Object

With a block given, calls the block with each element of self; removes the element if the block returns a truthy value; returns self:

a = [:foo, 'bar', 2, 'bat']
a.delete_if {|element| element.to_s.start_with?('b') } # => [:foo, 2]

With no block given, returns a new Enumerator.

Related: see Methods for Deleting.

Overloads:

  • #delete_if {|element| ... } ⇒ self

    Yields:

    • (element)

    Returns:

    • (self) 


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# File 'array.c', line 4428

static VALUE
rb_ary_delete_if(VALUE ary)
{
    ary_verify(ary);
    RETURN_SIZED_ENUMERATOR(ary, 0, 0, ary_enum_length);
    ary_reject_bang(ary);
    return ary;
}