Rollup merge of #27881 - jotomicron:patch-1, r=steveklabnik

Added the cost of the edge 3 -> 4 on the example in the module documentation
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Steve Klabnik 2015-08-18 15:03:10 -04:00
commit a1f64c2204

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@ -112,7 +112,7 @@
//! // 7
//! // +-----------------+
//! // | |
//! // v 1 2 |
//! // v 1 2 | 2
//! // 0 -----> 1 -----> 3 ---> 4
//! // | ^ ^ ^
//! // | | 1 | |