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| -rw-r--r-- | chapter17/README.md | 12 |
1 files changed, 4 insertions, 8 deletions
diff --git a/chapter17/README.md b/chapter17/README.md index d65ff879..e37fa9b7 100644 --- a/chapter17/README.md +++ b/chapter17/README.md @@ -78,7 +78,6 @@ the same reference can exist. This works for `var` and normal type declarations: `var s = new S;` and `S s = new S` both make `s` an immutable reference to a `struct S`. - ```cpp struct Bar { int x; } Bar !bar = new Bar; @@ -97,9 +96,6 @@ foo.bar.x++; // Bumps to 5 print(xfoo.bar.x); // Ok to read through xfoo, prints 5 ``` - - - ## Trinary Allow `pred ? e_true : e_false`. Also allow `pred ? e_true`, where the false result @@ -117,17 +113,17 @@ Example: ```cpp int sum=0; for( int i=0; i<arg; i++ ) - sum = sum + i; + sum += i; return sum; ``` -Any of `init`, `test` and `next` can be empty. -`init` allows for declaration of a new variable, with scope limited to the `for` expression. +Any of `init`, `test` and `next` can be empty. `init` allows for declaration +of a new variable, with scope limited to the `for` expression. ```cpp int sum=0; for( int i=0; i<arg; i++ ) - sum = sum + i; + sum += i; return i; // ERROR: Undefined name 'i' ``` |