Fix copy/pasta in docs

Summary: svformat explicitly takes a container for direct indexing,
but the format string used is per-arg, which corresponds to format/sformat.

Closes #228

Reviewed By: @JoelMarcey

Differential Revision: D2184334

diff --git a/folly/docs/Format.md b/folly/docs/Format.md
index 74192058abc00c496fae81e0367c83feaeae1b6d..5e40bf5d2f611981767792e7a0170ce425820535 100644 (file)
--- a/folly/docs/Format.md
+++ b/folly/docs/Format.md
@@ -63,7 +63,7 @@ std::cout << format("The only {0[what]} is {0[value]}", m);
 // And if you just want the string,
 std::string result = svformat("The only {what} is {value}", m);
 // => "The only answer is 42"
 // And if you just want the string,
 std::string result = svformat("The only {what} is {value}", m);
 // => "The only answer is 42"

-std::string result = svformat("The only {0[what]} is {0[value]}", m);
+std::string result = sformat("The only {0[what]} is {0[value]}", m);

 // => "The only answer is 42"
 
 // {} works for vformat too
 // => "The only answer is 42"
 
 // {} works for vformat too