Declare single-argument (non-converting) constructors "explicit"

practicalswift · MarcoFalke · commit fe805ea74f89 · 2017-09-29T14:25:34.000+02:00
In order to avoid unintended implicit conversions. Cherry-picked from 64fb0ac
diff --git a/lib/univalue_utffilter.h b/lib/univalue_utffilter.h
@@ -13,7 +13,7 @@
 class JSONUTF8StringFilter
 {
 public:
-    JSONUTF8StringFilter(std::string &s):
+    explicit JSONUTF8StringFilter(std::string &s):
         str(s), is_valid(true), codepoint(0), state(0), surpair(0)
     {
     }

Original file line number	Diff line number	Diff line change
`@@ -13,7 +13,7 @@`
`13`	`13`	`class JSONUTF8StringFilter`
`14`	`14`	`{`
`15`	`15`	`public:`
`16`		`- JSONUTF8StringFilter(std::string &s):`
	`16`	`+ explicit JSONUTF8StringFilter(std::string &s):`
`17`	`17`	`str(s), is_valid(true), codepoint(0), state(0), surpair(0)`
`18`	`18`	`{`
`19`	`19`	`}`