Fix bug in format auto spec indexing.

skinnyBat · skinnyBat · commit 8ae65dad7637 · 2020-08-02T07:22:05.000+12:00
diff --git a/vm/src/format.rs b/vm/src/format.rs
@@ -856,7 +856,7 @@ impl FormatString {
                 auto_argument_index += 1;
                 arguments
                     .args
-                    .get(auto_argument_index)
+                    .get(auto_argument_index - 1)
                     .cloned()
                     .ok_or_else(|| vm.new_index_error("tuple index out of range".to_owned()))
             }

Original file line number	Diff line number	Diff line change
`@@ -856,7 +856,7 @@ impl FormatString {`
`856`	`856`	`auto_argument_index += 1;`
`857`	`857`	`arguments`
`858`	`858`	`.args`
`859`		`- .get(auto_argument_index)`
	`859`	`+ .get(auto_argument_index - 1)`
`860`	`860`	`.cloned()`
`861`	`861`	`.ok_or_else(\|\| vm.new_index_error("tuple index out of range".to_owned()))`
`862`	`862`	`}`