The Squirrel interpreter. See http://www.squirrel-lang.org/
samples/metamethods.nut
- Committer:
- jhnwkmn
- Date:
- 2014-12-16
- Revision:
- 3:7268a3ceaffc
- Parent:
- 0:97a4f8cc534c
File content as of revision 3:7268a3ceaffc:
local base_vec={ function _add(n) { return { x=x+n.x, y=y+n.y, z=z+n.z, } } function _sub(n) { return { x=x-n.x, y=y-n.y, z=z-n.z, } } function _div(n) { return { x=x/n.x, y=y/n.y, z=z/n.z, } } function _mul(n) { return { x=x*n.x, y=y*n.y, z=z*n.z, } } function _modulo(n) { return { x=x%n, y=y%n, z=z%n, } } function _typeof() {return "vector";} function _get(key) { if(key==100) { return test_field; } }, function _set(key,val) { ::print("key = "+key+"\n"); ::print("val = "+val+"\n") if(key==100) { return test_field=val; } } test_field="nothing" } function vector(_x,_y,_z) { return {x=_x,y=_y,z=_z }.setdelegate(base_vec); } //////////////////////////////////////////////////////////// local v1=vector(1.5,2.5,3.5); local v2=vector(1.5,2.5,3.5); local r=v1+v2; foreach(i,val in r) { print(i+" = "+val+"\n"); } r=v1*v2; foreach(i,val in r) { print(i+" = "+val+"\n"); } r=v1/v2; foreach(i,val in r) { print(i+" = "+val+"\n"); } r=v1-v2; foreach(i,val in r) { print(i+" = "+val+"\n"); } r=v1%2; foreach(i,val in r) { print(i+" = "+val+"\n"); } print(v1[100]+"\n"); v1[100]="set SUCCEEDED"; print(v1[100]+"\n"); if(typeof v1=="vector") print("<SUCCEEDED>\n"); else print("<FAILED>\n");