Simple Example of Operator Overloading: Version size comparison

Namespace test {using system; using microshaoft; public class class1 {static void main (string [] ARGs) {console. writeline ("first \". \ "and the second \". \ "Comparison of numbers by decimal places, comparison of other numbers"); stringversion V1 = new stringversion ("12.0390.001"); stringversion v2 = new stringversion ("21.039000.1"); console. writeline ("version: [{0}] [{1}]", v1.tostring (), v2.tostring (); console. writeline ("gethashcode: [{0}] [{1}]", v1.gethashcode (), V2.gethashcode (); console. writeline ("equals, {0}", v1.equals (V2); console. writeline ("=, {0}", V1 = V2); console. writeline ("! =, {0} ", V1! = V2); console. writeline (">,{ 0}", V1> V2); console. writeline ("<, {0}", V1 <V2); console. writeline (">=, {0}", V1> = V2); console. writeline ("<=, {0}", V1 <= V2); console. writeline (environment. version. tostring () ;}} namespace microshaoft {using system; public class stringversion {private string [] _ versions; private string _ version; protected string [] versions {get {return _ versions ;}} Public stringversion (string version) {_ version = version; char [] C = new char [] {'. '}; _ versions = version. split (c);} public override string tostring () {return _ version;} public override bool equals (Object O) {stringversion x = This; stringversion y = O as stringversion; int XL = x. versions. length; int yl = y. versions. length; For (INT I = 0; I <XL | I <yl; I ++) {uint xi = 0; uint YI = 0; Double XD = 0.0d; double YD = 0.0d; if (I <XL) {if (I! = 1) {uint. tryparse (X. versions [I], out XI);} else {double. tryparse (string. format ("0. {0} ", X. versions [I]), Out xd) ;}} if (I <yl) {if (I! = 1) {uint. tryparse (Y. versions [I], out Yi);} else {double. tryparse (string. format ("0. {0} ", Y. versions [I]), Out YD) ;}} if (I = 1) {If (XD! = YD) {return false ;}} else {If (Xi! = Yi) {return false ;}}return true;} public override int gethashcode () {string [] A = new string [_ versions. length]; array. copy (_ versions, 0, A, 0,. length); For (INT I = 0; I <_ versions. length; I ++) {if (I = 1) {A [I] = _ versions [I]. trimend ('0');} else {A [I] = _ versions [I]. trimstart ('0') ;}} string S = string. join (". ", a); Return S. gethashcode ();} public static bool operator = (strin Gversion X, stringversion y) {return X. Equals (y);} public static bool Operator! = (Stringversion X, stringversion y) {int XL = x. versions. length; int yl = y. versions. length; For (INT I = 0; I <XL | I <yl; I ++) {uint xi = 0; uint YI = 0; double XD = 0.0d; double YD = 0.0d; if (I <XL) {if (I! = 1) {uint. tryparse (X. versions [I], out XI);} else {double. tryparse (string. format ("0. {0} ", X. versions [I]), Out xd) ;}} if (I <yl) {if (I! = 1) {uint. tryparse (Y. versions [I], out Yi);} else {double. tryparse (string. format ("0. {0} ", Y. versions [I]), Out YD) ;}} if (I = 1) {If (XD! = YD) {return true ;}} else {If (Xi! = Yi) {return true ;}}return false;} public static bool operator> (stringversion X, stringversion y) {int XL = x. versions. length; int yl = y. versions. length; For (INT I = 0; I <XL | I <yl; I ++) {uint xi = 0; uint YI = 0; double XD = 0.0d; double YD = 0.0d; if (I <XL) {if (I! = 1) {uint. tryparse (X. versions [I], out XI);} else {double. tryparse (string. format ("0. {0} ", X. versions [I]), Out xd) ;}} if (I <yl) {if (I! = 1) {uint. tryparse (Y. versions [I], out Yi);} else {double. tryparse (string. format ("0. {0} ", Y. versions [I]), Out YD) ;}if (I = 1) {If (XD> YD) {return true ;} else if (XD <YD) {return false ;}} else {If (xi> Yi) {return true;} else if (xi <Yi) {return false ;}} return false ;} public static bool operator <(stringversion X, stringversion y) {int XL = x. versions. length; int y L = y. versions. length; For (INT I = 0; I <XL | I <yl; I ++) {uint xi = 0; uint YI = 0; double XD = 0.0d; double YD = 0.0d; if (I <XL) {if (I! = 1) {uint. tryparse (X. versions [I], out XI);} else {double. tryparse (string. format ("0. {0} ", X. versions [I]), Out xd) ;}} if (I <yl) {if (I! = 1) {uint. tryparse (Y. versions [I], out Yi);} else {double. tryparse (string. format ("0. {0} ", Y. versions [I]), Out YD) ;}if (I = 1) {If (XD <YD) {return true ;} else if (XD> YD) {return false ;}} else {If (xi <Yi) {return true;} else if (xi> Yi) {return false ;}} return false ;} public static bool operator> = (stringversion X, stringversion y) {int XL = x. versions. length; int YL = y. versions. length; bool equal = true; For (INT I = 0; I <XL | I <yl; I ++) {uint xi = 0; uint YI = 0; double XD = 0.0d; double YD = 0.0d; if (I <XL) {if (I! = 1) {uint. tryparse (X. versions [I], out XI);} else {double. tryparse (string. format ("0. {0} ", X. versions [I]), Out xd) ;}} if (I <yl) {if (I! = 1) {uint. tryparse (Y. versions [I], out Yi);} else {double. tryparse (string. format ("0. {0} ", Y. versions [I]), Out YD) ;}if (I = 1) {If (XD> YD) {return true ;} else if (XD <YD) {return false;} equal = equal & (XD = YD);} else {If (xi> Yi) {return true;} else if (xi <Yi) {return false;} equal = equal & (xi = Yi) ;}} return equal;} public static bool operator <= (stringvers Ion X, stringversion y) {int XL = x. versions. length; int yl = y. versions. length; bool equal = true; For (INT I = 0; I <XL | I <yl; I ++) {uint xi = 0; uint YI = 0; double XD = 0.0d; double YD = 0.0d; if (I <XL) {if (I! = 1) {uint. tryparse (X. versions [I], out XI);} else {double. tryparse (string. format ("0. {0} ", X. versions [I]), Out xd) ;}} if (I <yl) {if (I! = 1) {uint. tryparse (Y. versions [I], out Yi);} else {double. tryparse (string. format ("0. {0} ", Y. versions [I]), Out YD) ;}if (I = 1) {If (XD <YD) {return true ;} else if (XD> YD) {return false;} equal = equal & (XD = YD);} else {If (xi <Yi) {return true;} else if (xi> Yi) {return false;} equal = equal & (xi = Yi) ;}} return equal ;}}}