refactor: compile on V 0.3.2

src/cron/cli.v

@@ -22,11 +22,11 @@ pub fn cmd() cli.Command {
 	return cli.Command{
 		name: 'cron'
 		description: 'Start the cron service that periodically runs builds.'
-		execute: fn (cmd cli.Command) ? {
-			config_file := cmd.flags.get_string('config-file')?
-			conf := vconf.load<Config>(prefix: 'VIETER_', default_path: config_file)?
+		execute: fn (cmd cli.Command) ! {
+			config_file := cmd.flags.get_string('config-file')!
+			conf := vconf.load<Config>(prefix: 'VIETER_', default_path: config_file)!
 
-			cron(conf)?
+			cron(conf)!
 		}
 	}
 }

src/cron/cron.v

@@ -8,7 +8,7 @@ import os
 const log_file_name = 'vieter.cron.log'
 
 // cron starts a cron daemon & starts periodically scheduling builds.
-pub fn cron(conf Config) ? {
+pub fn cron(conf Config) ! {
 	// Configure logger
 	log_level := log.level_from_tag(conf.log_level) or {
 		return error('Invalid log level. The allowed values are FATAL, ERROR, WARN, INFO & DEBUG.')
@@ -27,7 +27,7 @@ pub fn cron(conf Config) ? {
 	}
 
 	mut d := daemon.init_daemon(logger, conf.address, conf.api_key, conf.base_image, ce,
-		conf.max_concurrent_builds, conf.api_update_frequency, conf.image_rebuild_frequency)?
+		conf.max_concurrent_builds, conf.api_update_frequency, conf.image_rebuild_frequency)!
 
 	d.run()
 }

src/cron/daemon/daemon.v

@@ -53,7 +53,7 @@ mut:
 
 // init_daemon initializes a new Daemon object. It renews the targets &
 // populates the build queue for the first time.
-pub fn init_daemon(logger log.Log, address string, api_key string, base_image string, global_schedule CronExpression, max_concurrent_builds int, api_update_frequency int, image_rebuild_frequency int) ?Daemon {
+pub fn init_daemon(logger log.Log, address string, api_key string, base_image string, global_schedule CronExpression, max_concurrent_builds int, api_update_frequency int, image_rebuild_frequency int) !Daemon {
 	mut d := Daemon{
 		client: client.new(address, api_key)
 		base_image: base_image
@@ -207,7 +207,7 @@ fn (mut d Daemon) renew_queue() {
 
 	// For some reason, using
 	// ```v
-	// for d.queue.len() > 0 && d.queue.peek() ?.timestamp < now {
+	// for d.queue.len() > 0 && d.queue.peek() !.timestamp < now {
 	//```
 	// here causes the function to prematurely just exit, without any errors or anything, very weird
 	// https://github.com/vlang/v/issues/14042

src/cron/daemon/log.v

@@ -3,33 +3,33 @@ module daemon
 import log
 
 // log reate a log message with the given level
-pub fn (mut d Daemon) log(msg &string, level log.Level) {
+pub fn (mut d Daemon) log(msg string, level log.Level) {
 	lock d.logger {
 		d.logger.send_output(msg, level)
 	}
 }
 
 // lfatal create a log message with the fatal level
-pub fn (mut d Daemon) lfatal(msg &string) {
+pub fn (mut d Daemon) lfatal(msg string) {
 	d.log(msg, log.Level.fatal)
 }
 
 // lerror create a log message with the error level
-pub fn (mut d Daemon) lerror(msg &string) {
+pub fn (mut d Daemon) lerror(msg string) {
 	d.log(msg, log.Level.error)
 }
 
 // lwarn create a log message with the warn level
-pub fn (mut d Daemon) lwarn(msg &string) {
+pub fn (mut d Daemon) lwarn(msg string) {
 	d.log(msg, log.Level.warn)
 }
 
 // linfo create a log message with the info level
-pub fn (mut d Daemon) linfo(msg &string) {
+pub fn (mut d Daemon) linfo(msg string) {
 	d.log(msg, log.Level.info)
 }
 
 // ldebug create a log message with the debug level
-pub fn (mut d Daemon) ldebug(msg &string) {
+pub fn (mut d Daemon) ldebug(msg string) {
 	d.log(msg, log.Level.debug)
 }

src/cron/expression/expression.v

@@ -12,7 +12,7 @@ pub struct CronExpression {
 // next calculates the earliest time this cron expression is valid. It will
 // always pick a moment in the future, even if ref matches completely up to the
 // minute. This function conciously does not take gap years into account.
-pub fn (ce &CronExpression) next(ref time.Time) ?time.Time {
+pub fn (ce &CronExpression) next(ref time.Time) !time.Time {
 	// If the given ref matches the next cron occurence up to the minute, it
 	// will return that value. Because we always want to return a value in the
 	// future, we artifically shift the ref 60 seconds to make sure we always
@@ -117,19 +117,19 @@ pub fn (ce &CronExpression) next(ref time.Time) ?time.Time {
 
 // next_from_now returns the result of ce.next(ref) where ref is the result of
 // time.now().
-pub fn (ce &CronExpression) next_from_now() ?time.Time {
+pub fn (ce &CronExpression) next_from_now() !time.Time {
 	return ce.next(time.now())
 }
 
 // next_n returns the n next occurences of the expression, given a starting
 // time.
-pub fn (ce &CronExpression) next_n(ref time.Time, n int) ?[]time.Time {
+pub fn (ce &CronExpression) next_n(ref time.Time, n int) ![]time.Time {
 	mut times := []time.Time{cap: n}
 
-	times << ce.next(ref)?
+	times << ce.next(ref)!
 
 	for i in 1 .. n {
-		times << ce.next(times[i - 1])?
+		times << ce.next(times[i - 1])!
 	}
 
 	return times
@@ -137,7 +137,7 @@ pub fn (ce &CronExpression) next_n(ref time.Time, n int) ?[]time.Time {
 
 // parse_range parses a given string into a range of sorted integers, if
 // possible.
-fn parse_range(s string, min int, max int, mut bitv []bool) ? {
+fn parse_range(s string, min int, max int, mut bitv []bool) ! {
 	mut start := min
 	mut end := max
 	mut interval := 1
@@ -228,11 +228,11 @@ fn bitv_to_ints(bitv []bool, min int) []int {
 
 // parse_part parses a given part of a cron expression & returns the
 // corresponding array of ints.
-fn parse_part(s string, min int, max int) ?[]int {
+fn parse_part(s string, min int, max int) ![]int {
 	mut bitv := []bool{len: max - min + 1, init: false}
 
 	for range in s.split(',') {
-		parse_range(range, min, max, mut bitv)?
+		parse_range(range, min, max, mut bitv)!
 	}
 
 	return bitv_to_ints(bitv, min)
@@ -240,7 +240,7 @@ fn parse_part(s string, min int, max int) ?[]int {
 
 // parse_expression parses an entire cron expression string into a
 // CronExpression object, if possible.
-pub fn parse_expression(exp string) ?CronExpression {
+pub fn parse_expression(exp string) !CronExpression {
 	// The filter allows for multiple spaces between parts
 	mut parts := exp.split(' ').filter(it != '')