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--- intro_example:pure_struct [2025/05/07 18:30] – [Methods] rajit
+++ intro_example:pure_struct [2025/05/18 15:07] (current) – rajit
@@ Line 1: / Line 1: @@
 ====== Using pure structures ======
-A [[language:types2:data#pure_structures|pure structure]] is a user-defined data type that contains only ''int''/''bool'' or other pure structures. An example of a pure structure is:
+A [[language:types2:data#pure_structures|pure structure]] is a user-defined data type that contains only ''int''/''bool'' or other pure structures. Pure structures are analogous to C/C++ ''struct''s, and can be used to organize data and
+make CHP more human-readable. An example of a pure structure is:
 <code act>
@@ Line 56: / Line 57: @@
-defproc cache(chan?(int<32>) A; chan?(bool) RD; chan!(int<32>) DI; chan!(int<32>) DO)
+defproc cache(chan?(int<32>) A; chan?(bool) RD; chan?(int<32>) DI; chan!(int<32>) DO)
 {
    cache_entry C[256];
@@ Line 93: / Line 94: @@
            }
          }
-         macro setfields(int<32> addr; int<32> dv) {
+         macro setval (int<32> addr; int<32> dv) {
             valid+;
             data := dv;
@@ Line 101: / Line 102: @@
 }
-defproc cache(chan?(int<32>) A; chan?(bool) RD; chan!(int<32>) DI; chan!(int<32>) DO)
+defproc cache(chan?(int<32>) A; chan?(bool) RD; chan?(int<32>) DI; chan!(int<32>) DO)
 {
    cache_entry C[256];
@@ Line 117: / Line 118: @@
        []~cmd -> // write command
              DI?dv;
-             ce.setaddr (addr, dv);
+             ce.setval (addr, dv);
              C[addr{7..0}] := ce
       ]