1 files changed, 57 insertions, 0 deletions
diff --git a/lib/Data/MultiValued/Exceptions.pm b/lib/Data/MultiValued/Exceptions.pm
new file mode 100644
index 0000000..8d444c0
--- /dev/null
+++ b/lib/Data/MultiValued/Exceptions.pm
@@ -0,0 +1,57 @@
+package Data::MultiValued::Exceptions;
+package Data::MultiValued::Exceptions::NotFound;{
+use Moose;
+extends 'Throwable::Error';
+
+has value => (
+    is => 'ro',
+    required => 1,
+);
+
+sub as_string {
+    my ($self) = @_;
+
+    my $str = $self->message . ($self->value // '<undef>');
+    $str .= "\n\n" . $self->stack_trace->as_string;
+
+    return $str;
+}
+
+}
+package Data::MultiValued::Exceptions::TagNotFound;{
+use Moose;
+extends 'Data::MultiValued::Exceptions::NotFound';
+
+has '+message' => (
+    default => 'tag not found: ',
+);
+}
+package Data::MultiValued::Exceptions::RangeNotFound;{
+use Moose;
+extends 'Data::MultiValued::Exceptions::NotFound';
+
+has '+message' => (
+    default => 'no range found for value ',
+);
+}
+package Data::MultiValued::Exceptions::BadRange;{
+use Moose;
+extends 'Throwable::Error';
+
+has ['from','to'] => ( is => 'ro', required => 1 );
+has '+message' => (
+    default => 'invalid range: ',
+);
+
+sub as_string {
+    my ($self) = @_;
+
+    my $str = $self->message . $self->from . ', ' . $self->to;
+    $str .= "\n\n" . $self->stack_trace->as_string;
+
+    return $str;
+}
+
+}
+
+1;