Singular Manual: exportto

  | ### 5.2.7 exportto `Syntax:` `exportto(` package_name `,` name `);` `exportto(` package_name `,` list_of_names `);` `Purpose:` transfers an identifier in the current package into the one specified by package_name. package_name can be `Current`, `Top` or any other identifier of type package. `Note:` Objects defined in a ring are not automatically exported when exporting the ring. `Warning:` The identifier is transferred to the other package. It does no longer exist in the current package. If the identifier should only be copied, importfrom should be used instead. `Example:`
      proc p1
      {
        int i,j;
        exportto(Current,i);
        intmat m;
        listvar(Current);
        exportto(Top,m);
      }
      p1();
      ==> // Top                            [0]  package Top (T)
      ==> // ::m                            [1]  intmat 1 x 1
      ==> // ::i                            [0]  int 0
      ==> // ::j                            [1]  int 0
      ==> // ::#                            [1]  list, size: 0
      ==> // ::p1                           [0]  proc
      ==> // ::create_ring                  [0]  proc from standard.lib
      ==> // ::min                          [0]  proc from standard.lib
      ==> // ::max                          [0]  proc from standard.lib
      ==> // ::datetime                     [0]  proc from standard.lib
      ==> // ::weightKB                     [0]  proc from standard.lib
      ==> // ::fprintf                      [0]  proc from standard.lib
      ==> // ::printf                       [0]  proc from standard.lib
      ==> // ::sprintf                      [0]  proc from standard.lib
      ==> // ::quotient4                    [0]  proc from standard.lib
      ==> // ::quotient5                    [0]  proc from standard.lib
      ==> // ::quotient3                    [0]  proc from standard.lib
      ==> // ::quotient2                    [0]  proc from standard.lib
      ==> // ::quotient1                    [0]  proc from standard.lib
      ==> // ::quot                         [0]  proc from standard.lib
      ==> // ::res                          [0]  proc from standard.lib
      ==> // ::groebner                     [0]  proc from standard.lib
      ==> // ::qslimgb                      [0]  proc from standard.lib
      ==> // ::hilbRing                     [0]  proc from standard.lib
      ==> // ::par2varRing                  [0]  proc from standard.lib
      ==> // ::quotientList                 [0]  proc from standard.lib
      ==> // ::stdhilb                      [0]  proc from standard.lib
      ==> // ::stdfglm                      [0]  proc from standard.lib
      ==> // ::Float                        [0]  proc from kernel (C)
      ==> // ::crossprod                    [0]  proc from kernel (C)
      package Test1;
      exportto(Test1,p1);
      listvar(Top);
      ==> // Top                            [0]  package Top (T)
      ==> // ::m                            [0]  intmat 1 x 1
      ==> // ::i                            [0]  int 0
      ==> // ::create_ring                  [0]  proc from standard.lib
      ==> // ::min                          [0]  proc from standard.lib
      ==> // ::max                          [0]  proc from standard.lib
      ==> // ::datetime                     [0]  proc from standard.lib
      ==> // ::weightKB                     [0]  proc from standard.lib
      ==> // ::fprintf                      [0]  proc from standard.lib
      ==> // ::printf                       [0]  proc from standard.lib
      ==> // ::sprintf                      [0]  proc from standard.lib
      ==> // ::quotient4                    [0]  proc from standard.lib
      ==> // ::quotient5                    [0]  proc from standard.lib
      ==> // ::quotient3                    [0]  proc from standard.lib
      ==> // ::quotient2                    [0]  proc from standard.lib
      ==> // ::quotient1                    [0]  proc from standard.lib
      ==> // ::quot                         [0]  proc from standard.lib
      ==> // ::res                          [0]  proc from standard.lib
      ==> // ::groebner                     [0]  proc from standard.lib
      ==> // ::qslimgb                      [0]  proc from standard.lib
      ==> // ::hilbRing                     [0]  proc from standard.lib
      ==> // ::par2varRing                  [0]  proc from standard.lib
      ==> // ::quotientList                 [0]  proc from standard.lib
      ==> // ::stdhilb                      [0]  proc from standard.lib
      ==> // ::stdfglm                      [0]  proc from standard.lib
      ==> // ::Float                        [0]  proc from kernel (C)
      ==> // ::crossprod                    [0]  proc from kernel (C)
      listvar(Test1);
      ==> // Test1                          [0]  package Test1 (N)
      ==> // ::p1                           [0]  proc
      Test1::p1();
      ==> // Test1                          [0]  package Test1 (N)
      ==> // ::m                            [1]  intmat 1 x 1
      ==> // ::i                            [0]  int 0
      ==> // ::j                            [1]  int 0
      ==> // ::#                            [1]  list, size: 0
      ==> // ::p1                           [0]  proc
      ==> // ** redefining m (  exportto(Top,m);)
      listvar(Top);
      ==> // Top                            [0]  package Top (T)
      ==> // ::m                            [0]  intmat 1 x 1
      ==> // ::i                            [0]  int 0
      ==> // ::create_ring                  [0]  proc from standard.lib
      ==> // ::min                          [0]  proc from standard.lib
      ==> // ::max                          [0]  proc from standard.lib
      ==> // ::datetime                     [0]  proc from standard.lib
      ==> // ::weightKB                     [0]  proc from standard.lib
      ==> // ::fprintf                      [0]  proc from standard.lib
      ==> // ::printf                       [0]  proc from standard.lib
      ==> // ::sprintf                      [0]  proc from standard.lib
      ==> // ::quotient4                    [0]  proc from standard.lib
      ==> // ::quotient5                    [0]  proc from standard.lib
      ==> // ::quotient3                    [0]  proc from standard.lib
      ==> // ::quotient2                    [0]  proc from standard.lib
      ==> // ::quotient1                    [0]  proc from standard.lib
      ==> // ::quot                         [0]  proc from standard.lib
      ==> // ::res                          [0]  proc from standard.lib
      ==> // ::groebner                     [0]  proc from standard.lib
      ==> // ::qslimgb                      [0]  proc from standard.lib
      ==> // ::hilbRing                     [0]  proc from standard.lib
      ==> // ::par2varRing                  [0]  proc from standard.lib
      ==> // ::quotientList                 [0]  proc from standard.lib
      ==> // ::stdhilb                      [0]  proc from standard.lib
      ==> // ::stdfglm                      [0]  proc from standard.lib
      ==> // ::Float                        [0]  proc from kernel (C)
      ==> // ::crossprod                    [0]  proc from kernel (C)
      listvar(Test1);
      ==> // Test1                          [0]  package Test1 (N)
      ==> // ::i                            [0]  int 0
      ==> // ::p1                           [0]  proc
See export; importfrom; keepring.

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