cargo: add dependency on "Extend" for extension traits

Signed-off-by: Ian Jackson <ijackson@chiark.greenend.org.uk>

diff --git a/Cargo.lock.example b/Cargo.lock.example
index 28f60e28c6ca2a20751ce020e99027f1b0917bea..24f658ea175e17d0e55b23cd6984bc53fbd8fda7 100644 (file)
--- a/Cargo.lock.example
+++ b/Cargo.lock.example
@@ -649,6 +649,18 @@ dependencies = [
  "version_check 0.9.2",
 ]
 
+[[package]]
+name = "extend"
+version = "1.0.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b2feaa8e332f0db2f08788707dc550075aab8e6d20ffc85958e1174e22887d11"
+dependencies = [
+ "proc-macro-error",
+ "proc-macro2 1.0.24",
+ "quote 1.0.9",
+ "syn 1.0.62",
+]
+
 [[package]]
 name = "failure"
 version = "0.1.8"
@@ -1849,6 +1861,7 @@ dependencies = [
  "enum-map",
  "enum_dispatch",
  "env_logger",
+ "extend",
  "failure",
  "fehler",
  "flexi_logger",

diff --git a/Cargo.toml b/Cargo.toml
index 9666492f9a4f8606435da5798610636be39f1893..997d77ed019fb64d193ceac84db8e56cfbf73e2c 100644 (file)
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -27,6 +27,7 @@ chrono-tz = "0.5"
 delegate = "0.5"
 downcast-rs = "1"
 either = "1"
+extend = "1"
 enum-map = { version = "0.6", features = [ "serde" ] }
 env_logger = "0.8"
 failure = "0.1.8" # for pwd