Constify

2 files changed, 4 insertions, 4 deletions

diff --git a/src/utils/scan_name.cpp b/src/utils/scan_name.cpp
index 3590ffd31..91d017811 100644
--- a/src/utils/scan_name.cpp
+++ b/src/utils/scan_name.cpp
@@ -18,14 +18,14 @@ SCAN_Name::SCAN_Name(const std::string& algo_spec)
       name[i] = global_state().deref_alias(name[i]);
    }
 
-std::string SCAN_Name::argument(u32bit i)
+std::string SCAN_Name::argument(u32bit i) const
    {
    if(i > arg_count())
       throw std::range_error("SCAN_Name::argument");
    return name[i+1];
    }
 
-u32bit SCAN_Name::argument_as_u32bit(u32bit i, u32bit def_value)
+u32bit SCAN_Name::argument_as_u32bit(u32bit i, u32bit def_value) const
    {
    if(i >= arg_count())
       return def_value;
diff --git a/src/utils/scan_name.h b/src/utils/scan_name.h
index 37c9ffc1b..934228dc8 100644
--- a/src/utils/scan_name.h
+++ b/src/utils/scan_name.h
@@ -38,13 +38,13 @@ class SCAN_Name
       @param i which argument
       @return the ith argument
       */
-      std::string argument(u32bit i);
+      std::string argument(u32bit i) const;
 
       /**
       @param i which argument
       @return the ith argument as a u32bit, or a default value
       */
-      u32bit argument_as_u32bit(u32bit i, u32bit def_value);
+      u32bit argument_as_u32bit(u32bit i, u32bit def_value) const;
 
    private:
       std::vector<std::string> name;