fix(string) Trim error

CMakeLists.txt

@@ -75,11 +75,11 @@ include(cmake/BuildInfo.cmake)
 check_symbol_exists("getifaddrs" "ifaddrs.h" TILE_HAVE_GETIFADDRS)
 check_symbol_exists("freeifaddrs" "ifaddrs.h" TILE_HAVE_FREEIFADDRS)
 
-find_package(Git REQUIRED)
-
-get_git_commit_hash(GIT_COMMIT_HASH)
-get_git_commit_date(GIT_COMMIT_DATE)
-get_git_commit_subject(GIT_COMMIT_SUBJECT)
+# find_package(Git REQUIRED)
+#
+# get_git_commit_hash(GIT_COMMIT_HASH)
+# get_git_commit_date(GIT_COMMIT_DATE)
+# get_git_commit_subject(GIT_COMMIT_SUBJECT)
 
 set(THIRD_PARTY_INCLUDE_DIRS
     # "third_party/json" "third_party/inja" 

tile/base/string.cc

@@ -139,26 +139,6 @@ Trim(Slice s, Slice cutset)
     return Trim(s, [&cutset](char c) { return cutset.find(Slice(&c, 1)) != Slice::npos; });
 }
 
-Slice
-TrimLeft(Slice s, std::function<bool(char)> pred)
-{
-    while (!s.empty() && pred(s[0])) { s.RemovePrefix(1); }
-    return s;
-}
-
-Slice
-TrimRight(Slice s, std::function<bool(char)> pred)
-{
-    while (!s.empty() && pred(s[s.size() - 1])) { s.RemoveSuffix(1); }
-    return s;
-}
-
-Slice
-Trim(Slice s, std::function<bool(char)> pred)
-{
-    return TrimRight(TrimLeft(s, pred), pred);
-}
-
 template<typename T>
 void
 JoinImpl(const T &parts, Slice delim, std::string *result)

tile/base/string.h

@@ -8,6 +8,7 @@
 #include "tile/base/optional.h"
 #include "tile/base/slice.h"
 
+#include <cctype>
 #include <limits>
 #include <string>
 #include <vector>
@@ -41,9 +42,29 @@ std::string Replace(Slice str, Slice from, Slice to, std::size_t count = std::nu
 Slice TrimLeft(Slice s, Slice cutset);
 Slice TrimRight(Slice s, Slice cutset);
 Slice Trim(Slice s, Slice cutset);
-Slice TrimLeft(Slice s, std::function<bool(char)> pred = isspace);
-Slice TrimRight(Slice s, std::function<bool(char)> pred = isspace);
-Slice Trim(Slice s, std::function<bool(char)> pred = isspace);
+
+template<typename Pred = decltype(isspace)>
+Slice
+TrimLeft(Slice s, Pred pred = isspace)
+{
+    while (!s.empty() && pred(s[0])) { s.RemovePrefix(1); }
+    return s;
+}
+
+template<typename Pred = decltype(isspace)>
+Slice
+TrimRight(Slice s, Pred pred = isspace)
+{
+    while (!s.empty() && pred(s[s.size() - 1])) { s.RemoveSuffix(1); }
+    return s;
+}
+
+template<typename Pred = decltype(isspace)>
+Slice
+Trim(Slice s, Pred pred = isspace)
+{
+    return TrimRight(TrimLeft(s, pred), pred);
+}
 
 std::vector<Slice> Split(Slice s,
                          char delim,