SetClear

Removes every element of a set.

Declaration

Syntax

SetClear(expr a)

Arguments

Argument	Description
a	the set.

Return values

None.

Description

The set is empty afterwards.

Examples

(SetClear
  :a (Var
    :v (SymbolRef 1 "s")
  )
)

It comes from this complete ASR text document:

(TranslationUnit
  :symtab (SymbolTable
    :id 0
    :symbols {
      "main" (Program
        :symtab (SymbolTable
          :id 1
          :symbols {
            "i" (Variable
              :parent_symtab 1
              :name "i"
              :dependencies []
              :intent :Local
              :symbolic_value nil
              :value nil
              :storage :Default
              :type (Integer
                :kind 4
              )
              :type_declaration nil
              :abi :Source
              :access :Public
              :presence :Required
              :value_attr false
              :target_attr false
              :contiguous_attr false
              :bindc_name nil
              :is_volatile false
              :is_protected false
              :pass_attr :NotMethod
              :self_argument nil
              :codims []
            )
            "p" (Variable
              :parent_symtab 1
              :name "p"
              :dependencies []
              :intent :Local
              :symbolic_value nil
              :value nil
              :storage :Default
              :type (Logical
                :kind 4
              )
              :type_declaration nil
              :abi :Source
              :access :Public
              :presence :Required
              :value_attr false
              :target_attr false
              :contiguous_attr false
              :bindc_name nil
              :is_volatile false
              :is_protected false
              :pass_attr :NotMethod
              :self_argument nil
              :codims []
            )
            "s" (Variable
              :parent_symtab 1
              :name "s"
              :dependencies []
              :intent :Local
              :symbolic_value nil
              :value nil
              :storage :Default
              :type (Set
                :type (Integer
                  :kind 4
                )
              )
              :type_declaration nil
              :abi :Source
              :access :Public
              :presence :Required
              :value_attr false
              :target_attr false
              :contiguous_attr false
              :bindc_name nil
              :is_volatile false
              :is_protected false
              :pass_attr :NotMethod
              :self_argument nil
              :codims []
            )
          }
        )
        :name "main"
        :dependencies []
        :body [
          (Assignment
            :target (Var
              :v (SymbolRef 1 "s")
            )
            :value (SetConstant
              :elements [
                (IntegerConstant
                  :n 1
                  :type (Integer
                    :kind 4
                  )
                  :intboz_type :Decimal
                )
                (IntegerConstant
                  :n 2
                  :type (Integer
                    :kind 4
                  )
                  :intboz_type :Decimal
                )
              ]
              :type (Set
                :type (Integer
                  :kind 4
                )
              )
            )
            :overloaded nil
            :realloc_lhs false
            :move_allocation false
          )
          (Assignment
            :target (Var
              :v (SymbolRef 1 "i")
            )
            :value (SetLen
              :arg (Var
                :v (SymbolRef 1 "s")
              )
              :type (Integer
                :kind 4
              )
              :value nil
            )
            :overloaded nil
            :realloc_lhs false
            :move_allocation false
          )
          (Assignment
            :target (Var
              :v (SymbolRef 1 "p")
            )
            :value (SetContains
              :left (Var
                :v (SymbolRef 1 "s")
              )
              :right (IntegerConstant
                :n 1
                :type (Integer
                  :kind 4
                )
                :intboz_type :Decimal
              )
              :type (Logical
                :kind 4
              )
              :value nil
            )
            :overloaded nil
            :realloc_lhs false
            :move_allocation false
          )
          (Assignment
            :target (Var
              :v (SymbolRef 1 "i")
            )
            :value (SetPop
              :a (Var
                :v (SymbolRef 1 "s")
              )
              :type (Integer
                :kind 4
              )
              :value nil
            )
            :overloaded nil
            :realloc_lhs false
            :move_allocation false
          )
          (SetInsert
            :a (Var
              :v (SymbolRef 1 "s")
            )
            :ele (IntegerConstant
              :n 3
              :type (Integer
                :kind 4
              )
              :intboz_type :Decimal
            )
          )
          (SetRemove
            :a (Var
              :v (SymbolRef 1 "s")
            )
            :ele (IntegerConstant
              :n 2
              :type (Integer
                :kind 4
              )
              :intboz_type :Decimal
            )
          )
          (SetClear
            :a (Var
              :v (SymbolRef 1 "s")
            )
          )
        ]
      )
    }
  )
  :items []
)

See Also

SetInsert, SetRemove, Set