Method: Struct#each_pair

Defined in:
struct.c

#each_pair {|(name, value)| ... } ⇒ self #each_pair ⇒ Object

Calls the given block with each member name/value pair; returns self:

Customer = Struct.new(:name, :address, :zip) # => Customer
joe = Customer.new("Joe Smith", "123 Maple, Anytown NC", 12345)
joe.each_pair {|(name, value)| p "#{name} => #{value}" }

Output:

"name => Joe Smith"
"address => 123 Maple, Anytown NC"
"zip => 12345"

Returns an Enumerator if no block is given.

Related: #each.

Overloads:

  • #each_pair {|(name, value)| ... } ⇒ self

    Yields:

    • ((name, value))

    Returns:

    • (self) 


925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
 
# File 'struct.c', line 925

static VALUE
rb_struct_each_pair(VALUE s)
{
    VALUE members;
    long i;

    RETURN_SIZED_ENUMERATOR(s, 0, 0, struct_enum_size);
    members = rb_struct_members(s);
    if (rb_block_pair_yield_optimizable()) {
        for (i=0; i<RSTRUCT_LEN(s); i++) {
            VALUE key = rb_ary_entry(members, i);
            VALUE value = RSTRUCT_GET(s, i);
            rb_yield_values(2, key, value);
        }
    }
    else {
        for (i=0; i<RSTRUCT_LEN(s); i++) {
            VALUE key = rb_ary_entry(members, i);
            VALUE value = RSTRUCT_GET(s, i);
            rb_yield(rb_assoc_new(key, value));
        }
    }
    return s;
}