1 files changed, 17 insertions, 0 deletions
diff --git a/src/include/convert.h b/src/include/convert.h
index 0c7e703..030c1b5 100644
--- a/src/include/convert.h
+++ b/src/include/convert.h
@@ -15,6 +15,7 @@
 #include <iomanip>
 #include <iostream>
 #include <string>
+#include <string_view>
 #include <vector>
 
 #include <stdio.h>
@@ -130,6 +131,22 @@ namespace Binc {
     chomp(s_in, chars);
   }
 
+  inline void trim(std::string_view &s_in, std::string_view chars = " \t\r\n")
+  {
+    size_t n = 0;
+    while (n < s_in.length() && chars.find(s_in[n]) != std::string_view::npos) {
+      n++;
+    }
+    s_in = s_in.substr(n);
+
+    if (s_in.empty()) return;
+
+    n = s_in.length();
+    while (n > 0 && chars.find(s_in[--n]) != std::string_view::npos) {
+    }
+    s_in = s_in.substr(0, n + 1);
+  }
+
   inline const std::string unfold(const std::string &a, bool removecomment = true)
   {
     std::string tmp;