fix warnings

src/fragments/address.rs

@@ -2,14 +2,14 @@ use nom::{
     IResult,
     branch::alt,
     bytes::complete::tag,
-    combinator::{into, opt, map_res},
+    combinator::{into, opt},
     multi::separated_list1,
     sequence::tuple,
 };
 
 use crate::fragments::lazy;
 use crate::fragments::model::{GroupRef, AddressRef, MailboxRef, MailboxList, AddressList};
-use crate::fragments::mailbox::{addr_spec, mailbox};
+use crate::fragments::mailbox::mailbox;
 use crate::fragments::misc_token::phrase;
 use crate::fragments::whitespace::{cfws};
 use crate::error::IMFError;

src/fragments/datetime.rs

@@ -1,16 +1,13 @@
-use chrono::{DateTime, FixedOffset, NaiveDate, NaiveTime, TimeZone};
+use chrono::{DateTime, FixedOffset, NaiveDate, NaiveTime};
 use nom::{
     IResult,
-    AsChar,
     branch::alt,
-    bytes::complete::{tag, tag_no_case, take_while, take_while1, take_while_m_n, is_a},
+    bytes::complete::{tag, tag_no_case, take_while_m_n, is_a},
     character,
-    character::is_digit,
     character::complete::{one_of, alphanumeric1, digit0},
     combinator::{map, opt, value},
     sequence::{preceded, terminated, tuple, delimited },
 };
-use crate::fragments::misc_token;
 use crate::fragments::lazy;
 use crate::fragments::whitespace::{fws, cfws};
 use crate::error::IMFError;

src/fragments/header.rs

@@ -1,10 +1,8 @@
 use std::borrow::Cow;
-use chrono::{DateTime, FixedOffset};
 use nom::{
     IResult,
-    Parser,
     branch::alt,
-    bytes::complete::{is_not, take_while1, take_while, tag, tag_no_case},
+    bytes::complete::{is_not, take_while1, tag, tag_no_case},
     character::complete::space0,
     combinator::{map, opt, recognize},
     multi::{many0, many1, fold_many0, separated_list1},
@@ -15,13 +13,12 @@ use chardetng::EncodingDetector;
 use encoding_rs::Encoding;
 
 use crate::fragments::whitespace::{fws, perm_crlf};
-use crate::fragments::words::vchar_seq;
 use crate::fragments::misc_token::{phrase, unstructured};
-use crate::fragments::model::{HeaderSection, MailboxRef, AddressRef, Field, FieldBody};
+use crate::fragments::model::{HeaderSection, Field, FieldBody};
 use crate::fragments::mailbox::mailbox;
 use crate::fragments::address::{mailbox_list, address_list, address_list_cfws};
 use crate::fragments::identification::msg_id;
-use crate::fragments::{datetime, trace, model};
+use crate::fragments::{datetime, trace};
 
 /// HEADERS
 

src/fragments/identification.rs

@@ -1,4 +1,3 @@
-use std::borrow::Cow;
 use nom::{
     IResult,
     branch::alt,

src/fragments/mailbox.rs

@@ -1,12 +1,11 @@
 use std::borrow::Cow;
 use nom::{
     IResult,
-    Parser,
     branch::alt,
     bytes::complete::{tag, is_a},
     character::complete::satisfy,
     combinator::{into,map,opt,recognize},
-    multi::{separated_list1, fold_many0, many0, many1},
+    multi::{separated_list1, fold_many0, many0},
     sequence::{delimited,pair,preceded,terminated,tuple},
 };
 
@@ -98,6 +97,7 @@ pub fn addr_spec(input: &str) -> IResult<&str, AddrSpec> {
 /// ```abnf
 ///    local-part      =   dot-atom / quoted-string / obs-local-part
 /// ```
+#[allow(dead_code)]
 fn strict_local_part(input: &str) -> IResult<&str, String> {
     alt((into(dot_atom), quoted_string))(input)
 }
@@ -126,6 +126,7 @@ fn obs_local_part(input: &str) -> IResult<&str, String> {
 /// ```abnf
 ///    domain          =   dot-atom / domain-literal
 /// ```
+#[allow(dead_code)]
 pub fn strict_domain(input: &str) -> IResult<&str, String> {
     alt((into(dot_atom), domain_litteral))(input)
 }

src/fragments/misc_token.rs

@@ -6,7 +6,7 @@ use nom::{
     character::complete::space0,
     combinator::{into, opt},
     multi::{many0, many1, separated_list1},
-    sequence::{pair, tuple},
+    sequence::tuple,
 };
 
 use crate::fragments::lazy;

src/fragments/model.rs

@@ -1,5 +1,5 @@
 use std::collections::HashMap;
-use chrono::{DateTime,FixedOffset,ParseError};
+use chrono::{DateTime,FixedOffset};
 
 #[derive(Debug, PartialEq)]
 pub struct AddrSpec {

src/fragments/quoted.rs

@@ -8,7 +8,6 @@ use nom::{
     sequence::{pair, preceded},
 };
 
-use crate::fragments::words::is_vchar;
 use crate::fragments::whitespace::{fws, cfws, is_obs_no_ws_ctl};
 
 /// Quoted pair

src/fragments/section.rs

@@ -1,9 +1,7 @@
 use std::collections::HashMap;
 
 use chrono::{DateTime, FixedOffset};
-use crate::fragments::model::{
-    MailboxList, MailboxRef, AddressList,
-    MessageId, MessageIdList, AddressRef};
+use crate::fragments::model::{MailboxRef,MessageId, AddressRef};
 use crate::fragments::misc_token::{Unstructured, PhraseList};
 use crate::fragments::trace::ReceivedLog;
 use crate::fragments::eager::Field;

src/fragments/trace.rs

@@ -1,12 +1,10 @@
-use std::collections::HashMap;
 use nom::{
     IResult,
     branch::alt,
     bytes::complete::tag,
-    character::complete::space0,
     combinator::{map, opt, recognize},
     multi::many0,
-    sequence::{delimited, pair, tuple},
+    sequence::tuple,
 };
 use crate::fragments::{datetime, mailbox, model, misc_token, whitespace, lazy};
 use crate::error::IMFError;

src/fragments/whitespace.rs

@@ -5,7 +5,7 @@ use nom::{
     character::complete::{crlf, satisfy, space0, space1},
     combinator::{recognize, opt},
     multi::{many0, many1},
-    sequence::{pair, tuple},
+    sequence::tuple,
 };
 use crate::fragments::quoted::quoted_pair;
 

src/fragments/words.rs

@@ -21,6 +21,7 @@ pub fn is_vchar(c: char) -> bool {
 /// VCHAR   =/  UTF8-non-ascii
 /// SEQ     = 1*VCHAR
 ///```
+#[allow(dead_code)]
 pub fn vchar_seq(input: &str) -> IResult<&str, &str> {
    take_while1(is_vchar)(input)
 }
@@ -51,6 +52,7 @@ pub fn dot_atom(input: &str) -> IResult<&str, &str> {
     delimited(opt(cfws), dot_atom_text, opt(cfws))(input)
 }
 
+#[allow(dead_code)]
 pub fn is_special(c: char) -> bool {
     c == '(' || c == ')' || 
     c == '<' || c == '>' ||

src/multipass/extract_fields.rs

@@ -1,10 +1,9 @@
-use std::borrow::Cow;
 use nom::{
     IResult,
     character::complete::space1,
     bytes::complete::is_not,
     combinator::{all_consuming, recognize},
-    multi::{fold_many0, many0, many1},
+    multi::{many0, many1},
     sequence::{pair, tuple},
 };
 

src/multipass/segment.rs

@@ -1,4 +1,3 @@
-use std::convert::TryFrom;
 use nom::{
     IResult,
     branch::alt,

src/parse.rs

@@ -1,10 +1,4 @@
-use imf_codec::multipass::{
-    segment,
-    guess_charset,
-    field_lazy,
-    field_eager,
-    header_section
-};
+use imf_codec::multipass::segment;
 use imf_codec::fragments::section::Section;
 use std::io;
 use std::io::Read;